diff --git a/composer.lock b/composer.lock
index ec9e3fd965d..21ec9542740 100644
--- a/composer.lock
+++ b/composer.lock
@@ -8,16 +8,16 @@
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-                "brumann/polyfill-unserialize": "^1.0",
+                "brumann/polyfill-unserialize": "^1.0 || ^2.0",
                 "ext-json": "*",
-                "php": "^5.3.3|^7.0"
+                "php": "^5.3.3 || ^7.0"
             },
             "require-dev": {
                 "ext-xdebug": "*",
@@ -1761,7 +1889,7 @@
                 "security",
                 "stream-wrapper"
             ],
-            "time": "2019-10-18T11:59:10+00:00"
+            "time": "2020-07-27T09:17:38+00:00"
         }
     ],
     "packages-dev": [
@@ -1978,33 +2106,33 @@
         },
         {
             "name": "phpspec/prophecy",
-            "version": "1.9.0",
+            "version": "v1.10.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpspec/prophecy.git",
-                "reference": "f6811d96d97bdf400077a0cc100ae56aa32b9203"
+                "reference": "451c3cd1418cf640de218914901e51b064abb093"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpspec/prophecy/zipball/f6811d96d97bdf400077a0cc100ae56aa32b9203",
-                "reference": "f6811d96d97bdf400077a0cc100ae56aa32b9203",
+                "url": "https://api.github.com/repos/phpspec/prophecy/zipball/451c3cd1418cf640de218914901e51b064abb093",
+                "reference": "451c3cd1418cf640de218914901e51b064abb093",
                 "shasum": ""
             },
             "require": {
                 "doctrine/instantiator": "^1.0.2",
                 "php": "^5.3|^7.0",
                 "phpdocumentor/reflection-docblock": "^2.0|^3.0.2|^4.0|^5.0",
-                "sebastian/comparator": "^1.1|^2.0|^3.0",
-                "sebastian/recursion-context": "^1.0|^2.0|^3.0"
+                "sebastian/comparator": "^1.2.3|^2.0|^3.0|^4.0",
+                "sebastian/recursion-context": "^1.0|^2.0|^3.0|^4.0"
             },
             "require-dev": {
-                "phpspec/phpspec": "^2.5|^3.2",
+                "phpspec/phpspec": "^2.5 || ^3.2",
                 "phpunit/phpunit": "^4.8.35 || ^5.7 || ^6.5 || ^7.1"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.8.x-dev"
+                    "dev-master": "1.10.x-dev"
                 }
             },
             "autoload": {
@@ -2037,7 +2165,7 @@
                 "spy",
                 "stub"
             ],
-            "time": "2019-10-03T11:07:50+00:00"
+            "time": "2020-03-05T15:02:03+00:00"
         },
         {
             "name": "phpunit/dbunit",
@@ -2345,6 +2473,7 @@
             "keywords": [
                 "tokenizer"
             ],
+            "abandoned": true,
             "time": "2017-12-04T08:55:13+00:00"
         },
         {
@@ -2925,7 +3054,7 @@
         },
         {
             "name": "symfony/console",
-            "version": "v2.8.50",
+            "version": "v2.8.52",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/console.git",
@@ -2986,7 +3115,7 @@
         },
         {
             "name": "symfony/debug",
-            "version": "v2.8.50",
+            "version": "v2.8.52",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/debug.git",
@@ -3043,7 +3172,7 @@
         },
         {
             "name": "symfony/event-dispatcher",
-            "version": "v2.8.50",
+            "version": "v2.8.52",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/event-dispatcher.git",
@@ -3103,7 +3232,7 @@
         },
         {
             "name": "symfony/filesystem",
-            "version": "v2.8.50",
+            "version": "v2.8.52",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/filesystem.git",
@@ -3153,7 +3282,7 @@
         },
         {
             "name": "symfony/finder",
-            "version": "v2.8.50",
+            "version": "v2.8.52",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/finder.git",
@@ -3202,16 +3331,16 @@
         },
         {
             "name": "symfony/polyfill-mbstring",
-            "version": "v1.12.0",
+            "version": "v1.18.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-mbstring.git",
-                "reference": "b42a2f66e8f1b15ccf25652c3424265923eb4f17"
+                "reference": "a6977d63bf9a0ad4c65cd352709e230876f9904a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/b42a2f66e8f1b15ccf25652c3424265923eb4f17",
-                "reference": "b42a2f66e8f1b15ccf25652c3424265923eb4f17",
+                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/a6977d63bf9a0ad4c65cd352709e230876f9904a",
+                "reference": "a6977d63bf9a0ad4c65cd352709e230876f9904a",
                 "shasum": ""
             },
             "require": {
@@ -3223,7 +3352,11 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.12-dev"
+                    "dev-master": "1.18-dev"
+                },
+                "thanks": {
+                    "name": "symfony/polyfill",
+                    "url": "https://github.com/symfony/polyfill"
                 }
             },
             "autoload": {
@@ -3257,11 +3390,25 @@
                 "portable",
                 "shim"
             ],
-            "time": "2019-08-06T08:03:45+00:00"
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-07-14T12:35:20+00:00"
         },
         {
             "name": "symfony/process",
-            "version": "v2.8.50",
+            "version": "v2.8.52",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/process.git",
@@ -3310,7 +3457,7 @@
         },
         {
             "name": "symfony/stopwatch",
-            "version": "v2.8.50",
+            "version": "v2.8.52",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/stopwatch.git",
@@ -3369,5 +3516,6 @@
     "platform-dev": [],
     "platform-overrides": {
         "php": "5.3.10"
-    }
+    },
+    "plugin-api-version": "1.1.0"
 }
diff --git a/libraries/vendor/brumann/polyfill-unserialize/src/DisallowedClassesSubstitutor.php b/libraries/vendor/brumann/polyfill-unserialize/src/DisallowedClassesSubstitutor.php
new file mode 100644
index 00000000000..9740d1a736b
--- /dev/null
+++ b/libraries/vendor/brumann/polyfill-unserialize/src/DisallowedClassesSubstitutor.php
@@ -0,0 +1,177 @@
+<?php
+namespace Brumann\Polyfill;
+
+/**
+ * Worker implementation for identifying and skipping false-positives
+ * not to be substituted - like nested serializations in string literals.
+ *
+ * @internal This class should only be used by \Brumann\Polyfill\Unserialize
+ */
+final class DisallowedClassesSubstitutor
+{
+    const PATTERN_STRING = '#s:(\d+):(")#';
+    const PATTERN_OBJECT = '#(^|;)O:\d+:"([^"]*)":(\d+):\{#';
+
+    /**
+     * @var string
+     */
+    private $serialized;
+
+    /**
+     * @var string[]
+     */
+    private $allowedClasses;
+
+    /**
+     * Each array item consists of `[<offset-start>, <offset-end>]` and
+     * marks start and end positions of items to be ignored.
+     *
+     * @var array[]
+     */
+    private $ignoreItems = array();
+
+    /**
+     * @param string $serialized
+     * @param string[] $allowedClasses
+     */
+    public function __construct($serialized, array $allowedClasses)
+    {
+        $this->serialized = $serialized;
+        $this->allowedClasses = $allowedClasses;
+
+        $this->buildIgnoreItems();
+        $this->substituteObjects();
+    }
+
+    /**
+     * @return string
+     */
+    public function getSubstitutedSerialized()
+    {
+        return $this->serialized;
+    }
+
+    /**
+     * Identifies items to be ignored - like nested serializations in string literals.
+     */
+    private function buildIgnoreItems()
+    {
+        $offset = 0;
+        while (preg_match(self::PATTERN_STRING, $this->serialized, $matches, PREG_OFFSET_CAPTURE, $offset)) {
+            $length = (int)$matches[1][0]; // given length in serialized data (e.g. `s:123:"` --> 123)
+            $start = $matches[2][1]; // offset position of quote character
+            $end = $start + $length + 1;
+            $offset = $end + 1;
+
+            // serialized string nested in outer serialized string
+            if ($this->ignore($start, $end)) {
+                continue;
+            }
+
+            $this->ignoreItems[] = array($start, $end);
+        }
+    }
+
+    /**
+     * Substitutes disallowed object class names and respects items to be ignored.
+     */
+    private function substituteObjects()
+    {
+        $offset = 0;
+        while (preg_match(self::PATTERN_OBJECT, $this->serialized, $matches, PREG_OFFSET_CAPTURE, $offset)) {
+            $completeMatch = (string)$matches[0][0];
+            $completeLength = strlen($completeMatch);
+            $start = $matches[0][1];
+            $end = $start + $completeLength;
+            $leftBorder = (string)$matches[1][0];
+            $className = (string)$matches[2][0];
+            $objectSize = (int)$matches[3][0];
+            $offset = $end + 1;
+
+            // class name is actually allowed - skip this item
+            if (in_array($className, $this->allowedClasses, true)) {
+                continue;
+            }
+            // serialized object nested in outer serialized string
+            if ($this->ignore($start, $end)) {
+                continue;
+            }
+
+            $incompleteItem = $this->sanitizeItem($className, $leftBorder, $objectSize);
+            $incompleteItemLength = strlen($incompleteItem);
+            $offset = $start + $incompleteItemLength + 1;
+
+            $this->replace($incompleteItem, $start, $end);
+            $this->shift($end, $incompleteItemLength - $completeLength);
+        }
+    }
+
+    /**
+     * Replaces sanitized object class names in serialized data.
+     *
+     * @param string $replacement Sanitized object data
+     * @param int $start Start offset in serialized data
+     * @param int $end End offset in serialized data
+     */
+    private function replace($replacement, $start, $end)
+    {
+        $this->serialized = substr($this->serialized, 0, $start)
+            . $replacement . substr($this->serialized, $end);
+    }
+
+    /**
+     * Whether given offset positions should be ignored.
+     *
+     * @param int $start
+     * @param int $end
+     * @return bool
+     */
+    private function ignore($start, $end)
+    {
+        foreach ($this->ignoreItems as $ignoreItem) {
+            if ($ignoreItem[0] <= $start && $ignoreItem[1] >= $end) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * Shifts offset positions of ignore items by `$size`.
+     * This is necessary whenever object class names have been
+     * substituted which have a different length than before.
+     *
+     * @param int $offset
+     * @param int $size
+     */
+    private function shift($offset, $size)
+    {
+        foreach ($this->ignoreItems as &$ignoreItem) {
+            // only focus on items starting after given offset
+            if ($ignoreItem[0] < $offset) {
+                continue;
+            }
+            $ignoreItem[0] += $size;
+            $ignoreItem[1] += $size;
+        }
+    }
+
+    /**
+     * Sanitizes object class item.
+     *
+     * @param string $className
+     * @param int $leftBorder
+     * @param int $objectSize
+     * @return string
+     */
+    private function sanitizeItem($className, $leftBorder, $objectSize)
+    {
+        return sprintf(
+            '%sO:22:"__PHP_Incomplete_Class":%d:{s:27:"__PHP_Incomplete_Class_Name";%s',
+            $leftBorder,
+            $objectSize + 1, // size of object + 1 for added string
+            \serialize($className)
+        );
+    }
+}
diff --git a/libraries/vendor/brumann/polyfill-unserialize/src/Unserialize.php b/libraries/vendor/brumann/polyfill-unserialize/src/Unserialize.php
index 712e3e5049e..0a3bea74dba 100644
--- a/libraries/vendor/brumann/polyfill-unserialize/src/Unserialize.php
+++ b/libraries/vendor/brumann/polyfill-unserialize/src/Unserialize.php
@@ -32,28 +32,8 @@ final class Unserialize
             );
         }
 
-        $sanitizedSerialized = preg_replace_callback(
-            '/(^|;)O:\d+:"([^"]*)":(\d+):{/',
-            function ($match) use ($allowedClasses) {
-                $completeMatch = (string) array_shift($match);
-                $leftBorder = (string) array_shift($match);
-                $className = (string) array_shift($match);
-                $objectSize = (int) array_shift($match);
+        $worker = new DisallowedClassesSubstitutor($serialized, $allowedClasses);
 
-                if (in_array($className, $allowedClasses, true)) {
-                    return $completeMatch;
-                }
-
-                return sprintf(
-                    '%sO:22:"__PHP_Incomplete_Class":%d:{s:27:"__PHP_Incomplete_Class_Name";%s',
-                    $leftBorder,
-                    $objectSize + 1, // size of object + 1 for added string
-                    \serialize($className)
-                );
-            },
-            $serialized
-        );
-
-        return \unserialize($sanitizedSerialized);
+        return \unserialize($worker->getSubstitutedSerialized());
     }
 }
diff --git a/libraries/vendor/composer/ClassLoader.php b/libraries/vendor/composer/ClassLoader.php
index fce8549f078..03b9bb9c40c 100644
--- a/libraries/vendor/composer/ClassLoader.php
+++ b/libraries/vendor/composer/ClassLoader.php
@@ -60,7 +60,7 @@ class ClassLoader
     public function getPrefixes()
     {
         if (!empty($this->prefixesPsr0)) {
-            return call_user_func_array('array_merge', $this->prefixesPsr0);
+            return call_user_func_array('array_merge', array_values($this->prefixesPsr0));
         }
 
         return array();
diff --git a/libraries/vendor/composer/autoload_classmap.php b/libraries/vendor/composer/autoload_classmap.php
index 95ccba60a0d..d925c3b4d41 100644
--- a/libraries/vendor/composer/autoload_classmap.php
+++ b/libraries/vendor/composer/autoload_classmap.php
@@ -6,6 +6,7 @@ $vendorDir = dirname(dirname(__FILE__));
 $baseDir = dirname(dirname($vendorDir));
 
 return array(
+    'Brumann\\Polyfill\\DisallowedClassesSubstitutor' => $vendorDir . '/brumann/polyfill-unserialize/src/DisallowedClassesSubstitutor.php',
     'Brumann\\Polyfill\\Unserialize' => $vendorDir . '/brumann/polyfill-unserialize/src/Unserialize.php',
     'CallbackFilterIterator' => $vendorDir . '/joomla/compat/src/CallbackFilterIterator.php',
     'EasyPeasyICS' => $vendorDir . '/phpmailer/phpmailer/extras/EasyPeasyICS.php',
@@ -127,6 +128,9 @@ return array(
     'Psr\\Log\\LoggerInterface' => $vendorDir . '/psr/log/Psr/Log/LoggerInterface.php',
     'Psr\\Log\\LoggerTrait' => $vendorDir . '/psr/log/Psr/Log/LoggerTrait.php',
     'Psr\\Log\\NullLogger' => $vendorDir . '/psr/log/Psr/Log/NullLogger.php',
+    'Psr\\Log\\Test\\DummyTest' => $vendorDir . '/psr/log/Psr/Log/Test/DummyTest.php',
+    'Psr\\Log\\Test\\LoggerInterfaceTest' => $vendorDir . '/psr/log/Psr/Log/Test/LoggerInterfaceTest.php',
+    'Psr\\Log\\Test\\TestLogger' => $vendorDir . '/psr/log/Psr/Log/Test/TestLogger.php',
     'ReCaptcha\\ReCaptcha' => $vendorDir . '/google/recaptcha/src/ReCaptcha/ReCaptcha.php',
     'ReCaptcha\\RequestMethod' => $vendorDir . '/google/recaptcha/src/ReCaptcha/RequestMethod.php',
     'ReCaptcha\\RequestMethod\\Curl' => $vendorDir . '/google/recaptcha/src/ReCaptcha/RequestMethod/Curl.php',
@@ -189,6 +193,11 @@ return array(
     'Symfony\\Polyfill\\Util\\Binary' => $vendorDir . '/symfony/polyfill-util/Binary.php',
     'Symfony\\Polyfill\\Util\\BinaryNoFuncOverload' => $vendorDir . '/symfony/polyfill-util/BinaryNoFuncOverload.php',
     'Symfony\\Polyfill\\Util\\BinaryOnFuncOverload' => $vendorDir . '/symfony/polyfill-util/BinaryOnFuncOverload.php',
+    'Symfony\\Polyfill\\Util\\TestListener' => $vendorDir . '/symfony/polyfill-util/TestListener.php',
+    'Symfony\\Polyfill\\Util\\TestListenerForV5' => $vendorDir . '/symfony/polyfill-util/TestListenerForV5.php',
+    'Symfony\\Polyfill\\Util\\TestListenerForV6' => $vendorDir . '/symfony/polyfill-util/TestListenerForV6.php',
+    'Symfony\\Polyfill\\Util\\TestListenerForV7' => $vendorDir . '/symfony/polyfill-util/TestListenerForV7.php',
+    'Symfony\\Polyfill\\Util\\TestListenerTrait' => $vendorDir . '/symfony/polyfill-util/TestListenerTrait.php',
     'TYPO3\\PharStreamWrapper\\Assertable' => $vendorDir . '/typo3/phar-stream-wrapper/src/Assertable.php',
     'TYPO3\\PharStreamWrapper\\Behavior' => $vendorDir . '/typo3/phar-stream-wrapper/src/Behavior.php',
     'TYPO3\\PharStreamWrapper\\Collectable' => $vendorDir . '/typo3/phar-stream-wrapper/src/Collectable.php',
diff --git a/libraries/vendor/composer/autoload_real.php b/libraries/vendor/composer/autoload_real.php
index f3a91b2e20d..2c18d3f8d19 100644
--- a/libraries/vendor/composer/autoload_real.php
+++ b/libraries/vendor/composer/autoload_real.php
@@ -13,6 +13,9 @@ class ComposerAutoloaderInit205c915b9c7d3e718e7c95793ee67ffe
         }
     }
 
+    /**
+     * @return \Composer\Autoload\ClassLoader
+     */
     public static function getLoader()
     {
         if (null !== self::$loader) {
diff --git a/libraries/vendor/composer/autoload_static.php b/libraries/vendor/composer/autoload_static.php
index 0d67159b4ee..e7144b91e39 100644
--- a/libraries/vendor/composer/autoload_static.php
+++ b/libraries/vendor/composer/autoload_static.php
@@ -209,6 +209,7 @@ class ComposerStaticInit205c915b9c7d3e718e7c95793ee67ffe
     );
 
     public static $classMap = array (
+        'Brumann\\Polyfill\\DisallowedClassesSubstitutor' => __DIR__ . '/..' . '/brumann/polyfill-unserialize/src/DisallowedClassesSubstitutor.php',
         'Brumann\\Polyfill\\Unserialize' => __DIR__ . '/..' . '/brumann/polyfill-unserialize/src/Unserialize.php',
         'CallbackFilterIterator' => __DIR__ . '/..' . '/joomla/compat/src/CallbackFilterIterator.php',
         'EasyPeasyICS' => __DIR__ . '/..' . '/phpmailer/phpmailer/extras/EasyPeasyICS.php',
@@ -330,6 +331,9 @@ class ComposerStaticInit205c915b9c7d3e718e7c95793ee67ffe
         'Psr\\Log\\LoggerInterface' => __DIR__ . '/..' . '/psr/log/Psr/Log/LoggerInterface.php',
         'Psr\\Log\\LoggerTrait' => __DIR__ . '/..' . '/psr/log/Psr/Log/LoggerTrait.php',
         'Psr\\Log\\NullLogger' => __DIR__ . '/..' . '/psr/log/Psr/Log/NullLogger.php',
+        'Psr\\Log\\Test\\DummyTest' => __DIR__ . '/..' . '/psr/log/Psr/Log/Test/DummyTest.php',
+        'Psr\\Log\\Test\\LoggerInterfaceTest' => __DIR__ . '/..' . '/psr/log/Psr/Log/Test/LoggerInterfaceTest.php',
+        'Psr\\Log\\Test\\TestLogger' => __DIR__ . '/..' . '/psr/log/Psr/Log/Test/TestLogger.php',
         'ReCaptcha\\ReCaptcha' => __DIR__ . '/..' . '/google/recaptcha/src/ReCaptcha/ReCaptcha.php',
         'ReCaptcha\\RequestMethod' => __DIR__ . '/..' . '/google/recaptcha/src/ReCaptcha/RequestMethod.php',
         'ReCaptcha\\RequestMethod\\Curl' => __DIR__ . '/..' . '/google/recaptcha/src/ReCaptcha/RequestMethod/Curl.php',
@@ -392,6 +396,11 @@ class ComposerStaticInit205c915b9c7d3e718e7c95793ee67ffe
         'Symfony\\Polyfill\\Util\\Binary' => __DIR__ . '/..' . '/symfony/polyfill-util/Binary.php',
         'Symfony\\Polyfill\\Util\\BinaryNoFuncOverload' => __DIR__ . '/..' . '/symfony/polyfill-util/BinaryNoFuncOverload.php',
         'Symfony\\Polyfill\\Util\\BinaryOnFuncOverload' => __DIR__ . '/..' . '/symfony/polyfill-util/BinaryOnFuncOverload.php',
+        'Symfony\\Polyfill\\Util\\TestListener' => __DIR__ . '/..' . '/symfony/polyfill-util/TestListener.php',
+        'Symfony\\Polyfill\\Util\\TestListenerForV5' => __DIR__ . '/..' . '/symfony/polyfill-util/TestListenerForV5.php',
+        'Symfony\\Polyfill\\Util\\TestListenerForV6' => __DIR__ . '/..' . '/symfony/polyfill-util/TestListenerForV6.php',
+        'Symfony\\Polyfill\\Util\\TestListenerForV7' => __DIR__ . '/..' . '/symfony/polyfill-util/TestListenerForV7.php',
+        'Symfony\\Polyfill\\Util\\TestListenerTrait' => __DIR__ . '/..' . '/symfony/polyfill-util/TestListenerTrait.php',
         'TYPO3\\PharStreamWrapper\\Assertable' => __DIR__ . '/..' . '/typo3/phar-stream-wrapper/src/Assertable.php',
         'TYPO3\\PharStreamWrapper\\Behavior' => __DIR__ . '/..' . '/typo3/phar-stream-wrapper/src/Behavior.php',
         'TYPO3\\PharStreamWrapper\\Collectable' => __DIR__ . '/..' . '/typo3/phar-stream-wrapper/src/Collectable.php',
diff --git a/libraries/vendor/composer/installed.json b/libraries/vendor/composer/installed.json
index f9990cc483b..707be2d4ec8 100644
--- a/libraries/vendor/composer/installed.json
+++ b/libraries/vendor/composer/installed.json
@@ -1,23 +1,23 @@
 [
     {
         "name": "brumann/polyfill-unserialize",
-        "version": "v1.0.4",
-        "version_normalized": "1.0.4.0",
+        "version": "v2.0.0",
+        "version_normalized": "2.0.0.0",
         "source": {
             "type": "git",
             "url": "https://github.com/dbrumann/polyfill-unserialize.git",
-            "reference": "8ed1cd343ddc134a7ef649aca0aa0fe2a1b45008"
+            "reference": "46e5c18ee87d8a9b5765ef95468c1ac27bd107bf"
         },
         "dist": {
             "type": "zip",
-            "url": "https://api.github.com/repos/dbrumann/polyfill-unserialize/zipball/8ed1cd343ddc134a7ef649aca0aa0fe2a1b45008",
-            "reference": "8ed1cd343ddc134a7ef649aca0aa0fe2a1b45008",
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         "source": {
             "type": "git",
             "url": "https://github.com/symfony/yaml.git",
@@ -1778,23 +1906,23 @@
     },
     {
         "name": "typo3/phar-stream-wrapper",
-        "version": "v2.1.3",
-        "version_normalized": "2.1.3.0",
+        "version": "v2.2.0",
+        "version_normalized": "2.2.0.0",
         "source": {
             "type": "git",
             "url": "https://github.com/TYPO3/phar-stream-wrapper.git",
-            "reference": "e8a656d72028b97ab9f61ed993734f3cded02eeb"
+            "reference": "5e6269b8a54c5fe82322692f26f10dcd5e4532a1"
         },
         "dist": {
             "type": "zip",
-            "url": "https://api.github.com/repos/TYPO3/phar-stream-wrapper/zipball/e8a656d72028b97ab9f61ed993734f3cded02eeb",
-            "reference": "e8a656d72028b97ab9f61ed993734f3cded02eeb",
+            "url": "https://api.github.com/repos/TYPO3/phar-stream-wrapper/zipball/5e6269b8a54c5fe82322692f26f10dcd5e4532a1",
+            "reference": "5e6269b8a54c5fe82322692f26f10dcd5e4532a1",
             "shasum": ""
         },
         "require": {
-            "brumann/polyfill-unserialize": "^1.0",
+            "brumann/polyfill-unserialize": "^1.0 || ^2.0",
             "ext-json": "*",
-            "php": "^5.3.3|^7.0"
+            "php": "^5.3.3 || ^7.0"
         },
         "require-dev": {
             "ext-xdebug": "*",
@@ -1803,7 +1931,7 @@
         "suggest": {
             "ext-fileinfo": "For PHP builtin file type guessing, otherwise uses internal processing"
         },
-        "time": "2019-10-18T11:59:10+00:00",
+        "time": "2020-07-27T09:17:38+00:00",
         "type": "library",
         "installation-source": "source",
         "autoload": {
diff --git a/libraries/vendor/joomla/filesystem/src/Buffer.php b/libraries/vendor/joomla/filesystem/src/Buffer.php
index 9c463943cd9..28609484815 100644
--- a/libraries/vendor/joomla/filesystem/src/Buffer.php
+++ b/libraries/vendor/joomla/filesystem/src/Buffer.php
@@ -2,7 +2,7 @@
 /**
  * Part of the Joomla Framework Filesystem Package
  *
- * @copyright  Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
+ * @copyright  Copyright (C) 2005 - 2020 Open Source Matters, Inc. All rights reserved.
  * @license    GNU General Public License version 2 or later; see LICENSE
  */
 
@@ -147,7 +147,7 @@ class Buffer
 	{
 		switch ($whence)
 		{
-			case SEEK_SET:
+			case \SEEK_SET:
 				if ($offset < \strlen($this->buffers[$this->name]) && $offset >= 0)
 				{
 					$this->position = $offset;
@@ -157,7 +157,7 @@ class Buffer
 
 				return false;
 
-			case SEEK_CUR:
+			case \SEEK_CUR:
 				if ($offset >= 0)
 				{
 					$this->position += $offset;
@@ -167,7 +167,7 @@ class Buffer
 
 				return false;
 
-			case SEEK_END:
+			case \SEEK_END:
 				if (\strlen($this->buffers[$this->name]) + $offset >= 0)
 				{
 					$this->position = \strlen($this->buffers[$this->name]) + $offset;
diff --git a/libraries/vendor/joomla/filesystem/src/Clients/FtpClient.php b/libraries/vendor/joomla/filesystem/src/Clients/FtpClient.php
index 52dd0120090..c6b2e854937 100644
--- a/libraries/vendor/joomla/filesystem/src/Clients/FtpClient.php
+++ b/libraries/vendor/joomla/filesystem/src/Clients/FtpClient.php
@@ -2,7 +2,7 @@
 /**
  * Part of the Joomla Framework Filesystem Package
  *
- * @copyright  Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
+ * @copyright  Copyright (C) 2005 - 2020 Open Source Matters, Inc. All rights reserved.
  * @license    GNU General Public License version 2 or later; see LICENSE
  */
 
@@ -56,56 +56,74 @@ if (!\defined('FTP_NATIVE'))
 class FtpClient
 {
 	/**
-	 * @var    resource  Socket resource
+	 * Socket resource
+	 *
+	 * @var    resource
 	 * @since  1.0
 	 */
 	private $conn;
 
 	/**
-	 * @var    resource  Data port connection resource
+	 * Data port connection resource
+	 *
+	 * @var    resource
 	 * @since  1.0
 	 */
 	private $dataconn;
 
 	/**
-	 * @var    array  Passive connection information
+	 * Passive connection information
+	 *
+	 * @var    array
 	 * @since  1.0
 	 */
 	private $pasv;
 
 	/**
-	 * @var    string  Response Message
+	 * Response Message
+	 *
+	 * @var    string
 	 * @since  1.0
 	 */
 	private $response;
 
 	/**
-	 * @var    integer  Response Code
+	 * Response Code
+	 *
+	 * @var    integer
 	 * @since  1.0
 	 */
 	private $responseCode;
 
 	/**
-	 * @var    string  Response Message
+	 * Response Message
+	 *
+	 * @var    string
 	 * @since  1.0
 	 */
 	private $responseMsg;
 
 	/**
-	 * @var    integer  Timeout limit
+	 * Timeout limit
+	 *
+	 * @var    integer
 	 * @since  1.0
 	 */
 	private $timeout = 15;
 
 	/**
-	 * @var    integer  Transfer Type
+	 * Transfer Type
+	 *
+	 * @var    integer
 	 * @since  1.0
 	 */
 	private $type;
 
 	/**
-	 * @var    array  Array to hold ascii format file extensions
-	 * @since   1.0
+	 * Array to hold ascii format file extensions
+	 *
+	 * @var    array
+	 * @since  1.0
 	 */
 	private $autoAscii = array(
 		'asp',
@@ -140,7 +158,9 @@ class FtpClient
 	private $lineEndings = array('UNIX' => "\n", 'WIN' => "\r\n");
 
 	/**
-	 * @var    FtpClient[]  FtpClient instances container.
+	 * FtpClient instances container.
+	 *
+	 * @var    FtpClient[]
 	 * @since  1.0
 	 */
 	protected static $instances = array();
@@ -157,7 +177,7 @@ class FtpClient
 		// If default transfer type is not set, set it to autoascii detect
 		if (!isset($options['type']))
 		{
-			$options['type'] = FTP_BINARY;
+			$options['type'] = \FTP_BINARY;
 		}
 
 		$this->setOptions($options);
@@ -288,7 +308,7 @@ class FtpClient
 			}
 
 			// Set the timeout for this connection
-			ftp_set_option($this->conn, FTP_TIMEOUT_SEC, $this->timeout);
+			ftp_set_option($this->conn, \FTP_TIMEOUT_SEC, $this->timeout);
 
 			return true;
 		}
@@ -793,7 +813,7 @@ class FtpClient
 
 			$buffer = fopen('buffer://tmp', 'r');
 
-			if (@ftp_fput($this->conn, $path, $buffer, FTP_ASCII) === false)
+			if (@ftp_fput($this->conn, $path, $buffer, \FTP_ASCII) === false)
 			{
 				fclose($buffer);
 
@@ -910,7 +930,7 @@ class FtpClient
 		fclose($this->dataconn);
 
 		// Let's try to cleanup some line endings if it is ascii
-		if ($mode == FTP_ASCII)
+		if ($mode == \FTP_ASCII)
 		{
 			$os = 'UNIX';
 
@@ -1299,7 +1319,7 @@ class FtpClient
 			);
 		}
 
-		$data = preg_split('/[' . CRLF . ']+/', $data, -1, PREG_SPLIT_NO_EMPTY);
+		$data = preg_split('/[' . CRLF . ']+/', $data, -1, \PREG_SPLIT_NO_EMPTY);
 		$data = preg_replace('#^' . preg_quote(substr($path, 1), '#') . '[/\\\\]?#', '', $data);
 
 		if ($keys = array_merge(array_keys($data, '.'), array_keys($data, '..')))
@@ -1740,20 +1760,20 @@ class FtpClient
 
 			if (\in_array($ext, $this->autoAscii))
 			{
-				$mode = FTP_ASCII;
+				$mode = \FTP_ASCII;
 			}
 			else
 			{
-				$mode = FTP_BINARY;
+				$mode = \FTP_BINARY;
 			}
 		}
-		elseif ($this->type == FTP_ASCII)
+		elseif ($this->type == \FTP_ASCII)
 		{
-			$mode = FTP_ASCII;
+			$mode = \FTP_ASCII;
 		}
 		else
 		{
-			$mode = FTP_BINARY;
+			$mode = \FTP_BINARY;
 		}
 
 		return $mode;
@@ -1772,7 +1792,7 @@ class FtpClient
 	 */
 	protected function _mode($mode)
 	{
-		if ($mode == FTP_BINARY)
+		if ($mode == \FTP_BINARY)
 		{
 			if (!$this->_putCmd('TYPE I', 200))
 			{
diff --git a/libraries/vendor/joomla/filesystem/src/Exception/FilesystemException.php b/libraries/vendor/joomla/filesystem/src/Exception/FilesystemException.php
index 28cb6b9d430..05cdbccf2c5 100644
--- a/libraries/vendor/joomla/filesystem/src/Exception/FilesystemException.php
+++ b/libraries/vendor/joomla/filesystem/src/Exception/FilesystemException.php
@@ -2,7 +2,7 @@
 /**
  * Part of the Joomla Framework Filesystem Package
  *
- * @copyright  Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
+ * @copyright  Copyright (C) 2005 - 2020 Open Source Matters, Inc. All rights reserved.
  * @license    GNU General Public License version 2 or later; see LICENSE
  */
 
diff --git a/libraries/vendor/joomla/filesystem/src/File.php b/libraries/vendor/joomla/filesystem/src/File.php
index 9a5d281abc2..04a38e4c190 100644
--- a/libraries/vendor/joomla/filesystem/src/File.php
+++ b/libraries/vendor/joomla/filesystem/src/File.php
@@ -2,7 +2,7 @@
 /**
  * Part of the Joomla Framework Filesystem Package
  *
- * @copyright  Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
+ * @copyright  Copyright (C) 2005 - 2020 Open Source Matters, Inc. All rights reserved.
  * @license    GNU General Public License version 2 or later; see LICENSE
  */
 
@@ -226,7 +226,7 @@ class File
 		// Set the required flag to only append to the file and not overwrite it
 		if ($appendToFile === true)
 		{
-			return \is_int(file_put_contents($file, $buffer, FILE_APPEND));
+			return \is_int(file_put_contents($file, $buffer, \FILE_APPEND));
 		}
 
 		return \is_int(file_put_contents($file, $buffer));
diff --git a/libraries/vendor/joomla/filesystem/src/Folder.php b/libraries/vendor/joomla/filesystem/src/Folder.php
index 9ba3a711bf4..a5181912a19 100644
--- a/libraries/vendor/joomla/filesystem/src/Folder.php
+++ b/libraries/vendor/joomla/filesystem/src/Folder.php
@@ -2,7 +2,7 @@
 /**
  * Part of the Joomla Framework Filesystem Package
  *
- * @copyright  Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
+ * @copyright  Copyright (C) 2005 - 2020 Open Source Matters, Inc. All rights reserved.
  * @license    GNU General Public License version 2 or later; see LICENSE
  */
 
@@ -42,8 +42,8 @@ abstract class Folder
 		}
 
 		// Eliminate trailing directory separators, if any
-		$src  = rtrim($src, DIRECTORY_SEPARATOR);
-		$dest = rtrim($dest, DIRECTORY_SEPARATOR);
+		$src  = rtrim($src, \DIRECTORY_SEPARATOR);
+		$dest = rtrim($dest, \DIRECTORY_SEPARATOR);
 
 		if (!is_dir(Path::clean($src)))
 		{
diff --git a/libraries/vendor/joomla/filesystem/src/Helper.php b/libraries/vendor/joomla/filesystem/src/Helper.php
index 96bb62d0a88..5b8cf027b1c 100644
--- a/libraries/vendor/joomla/filesystem/src/Helper.php
+++ b/libraries/vendor/joomla/filesystem/src/Helper.php
@@ -2,7 +2,7 @@
 /**
  * Part of the Joomla Framework Filesystem Package
  *
- * @copyright  Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
+ * @copyright  Copyright (C) 2005 - 2020 Open Source Matters, Inc. All rights reserved.
  * @license    GNU General Public License version 2 or later; see LICENSE
  */
 
@@ -29,7 +29,7 @@ class Helper
 	 */
 	public static function remotefsize($url)
 	{
-		$sch = parse_url($url, PHP_URL_SCHEME);
+		$sch = parse_url($url, \PHP_URL_SCHEME);
 
 		if (!\in_array($sch, array('http', 'https', 'ftp', 'ftps'), true))
 		{
@@ -40,7 +40,7 @@ class Helper
 		{
 			$headers = @ get_headers($url, 1);
 
-			if (!$headers || (!array_key_exists('Content-Length', $headers)))
+			if (!$headers || (!\array_key_exists('Content-Length', $headers)))
 			{
 				return false;
 			}
@@ -50,11 +50,11 @@ class Helper
 
 		if (\in_array($sch, array('ftp', 'ftps'), true))
 		{
-			$server = parse_url($url, PHP_URL_HOST);
-			$port   = parse_url($url, PHP_URL_PORT);
-			$path   = parse_url($url, PHP_URL_PATH);
-			$user   = parse_url($url, PHP_URL_USER);
-			$pass   = parse_url($url, PHP_URL_PASS);
+			$server = parse_url($url, \PHP_URL_HOST);
+			$port   = parse_url($url, \PHP_URL_PORT);
+			$path   = parse_url($url, \PHP_URL_PATH);
+			$user   = parse_url($url, \PHP_URL_USER);
+			$pass   = parse_url($url, \PHP_URL_PASS);
 
 			if ((!$server) || (!$path))
 			{
@@ -128,18 +128,18 @@ class Helper
 	 */
 	public static function ftpChmod($url, $mode)
 	{
-		$sch = parse_url($url, PHP_URL_SCHEME);
+		$sch = parse_url($url, \PHP_URL_SCHEME);
 
 		if (($sch != 'ftp') && ($sch != 'ftps'))
 		{
 			return false;
 		}
 
-		$server = parse_url($url, PHP_URL_HOST);
-		$port   = parse_url($url, PHP_URL_PORT);
-		$path   = parse_url($url, PHP_URL_PATH);
-		$user   = parse_url($url, PHP_URL_USER);
-		$pass   = parse_url($url, PHP_URL_PASS);
+		$server = parse_url($url, \PHP_URL_HOST);
+		$port   = parse_url($url, \PHP_URL_PORT);
+		$path   = parse_url($url, \PHP_URL_PATH);
+		$user   = parse_url($url, \PHP_URL_USER);
+		$pass   = parse_url($url, \PHP_URL_PASS);
 
 		if ((!$server) || (!$path))
 		{
diff --git a/libraries/vendor/joomla/filesystem/src/Patcher.php b/libraries/vendor/joomla/filesystem/src/Patcher.php
index 54ca8d734ff..fc3d7e0053d 100644
--- a/libraries/vendor/joomla/filesystem/src/Patcher.php
+++ b/libraries/vendor/joomla/filesystem/src/Patcher.php
@@ -2,7 +2,7 @@
 /**
  * Part of the Joomla Framework Filesystem Package
  *
- * @copyright  Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
+ * @copyright  Copyright (C) 2005 - 2020 Open Source Matters, Inc. All rights reserved.
  * @license    GNU General Public License version 2 or later; see LICENSE
  */
 
@@ -18,50 +18,72 @@ class Patcher
 {
 	/**
 	 * Regular expression for searching source files
+	 *
+	 * @var    string
+	 * @since  1.0
 	 */
 	const SRC_FILE = '/^---\\s+(\\S+)\s+\\d{1,4}-\\d{1,2}-\\d{1,2}\\s+\\d{1,2}:\\d{1,2}:\\d{1,2}(\\.\\d+)?\\s+(\+|-)\\d{4}/A';
 
 	/**
 	 * Regular expression for searching destination files
+	 *
+	 * @var    string
+	 * @since  1.0
 	 */
 	const DST_FILE = '/^\\+\\+\\+\\s+(\\S+)\s+\\d{1,4}-\\d{1,2}-\\d{1,2}\\s+\\d{1,2}:\\d{1,2}:\\d{1,2}(\\.\\d+)?\\s+(\+|-)\\d{4}/A';
 
 	/**
 	 * Regular expression for searching hunks of differences
+	 *
+	 * @var    string
+	 * @since  1.0
 	 */
 	const HUNK = '/@@ -(\\d+)(,(\\d+))?\\s+\\+(\\d+)(,(\\d+))?\\s+@@($)/A';
 
 	/**
 	 * Regular expression for splitting lines
+	 *
+	 * @var    string
+	 * @since  1.0
 	 */
 	const SPLIT = '/(\r\n)|(\r)|(\n)/';
 
 	/**
-	 * @var    array  sources files
+	 * Source files
+	 *
+	 * @var    array
 	 * @since  1.0
 	 */
 	protected $sources = array();
 
 	/**
-	 * @var    array  destination files
+	 * Destination files
+	 *
+	 * @var    array
 	 * @since  1.0
 	 */
 	protected $destinations = array();
 
 	/**
-	 * @var    array  removal files
+	 * Removal files
+	 *
+	 * @var    array
 	 * @since  1.0
 	 */
 	protected $removals = array();
 
 	/**
-	 * @var    array  patches
+	 * Patches
+	 *
+	 * @var    array
 	 * @since  1.0
 	 */
 	protected $patches = array();
 
 	/**
-	 * @var    array  instance of this class
+	 * Singleton instance of this class
+	 *
+	 * @var    Patcher
 	 * @since  1.0
 	 */
 	protected static $instance;
@@ -235,7 +257,7 @@ class Patcher
 	{
 		$this->patches[] = array(
 			'udiff' => $udiff,
-			'root'  => isset($root) ? rtrim($root, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR : '',
+			'root'  => isset($root) ? rtrim($root, \DIRECTORY_SEPARATOR) . \DIRECTORY_SEPARATOR : '',
 			'strip' => $strip,
 		);
 
diff --git a/libraries/vendor/joomla/filesystem/src/Path.php b/libraries/vendor/joomla/filesystem/src/Path.php
index 38c304f7489..6bd17c7d63b 100644
--- a/libraries/vendor/joomla/filesystem/src/Path.php
+++ b/libraries/vendor/joomla/filesystem/src/Path.php
@@ -2,7 +2,7 @@
 /**
  * Part of the Joomla Framework Filesystem Package
  *
- * @copyright  Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
+ * @copyright  Copyright (C) 2005 - 2020 Open Source Matters, Inc. All rights reserved.
  * @license    GNU General Public License version 2 or later; see LICENSE
  */
 
@@ -213,7 +213,7 @@ class Path
 	 * @since   1.0
 	 * @throws  \UnexpectedValueException If $path is not a string.
 	 */
-	public static function clean($path, $ds = DIRECTORY_SEPARATOR)
+	public static function clean($path, $ds = \DIRECTORY_SEPARATOR)
 	{
 		if (!\is_string($path))
 		{
@@ -340,4 +340,49 @@ class Path
 		// Could not find the file in the set of paths
 		return false;
 	}
+
+	/**
+	 * Resolves /./, /../ and multiple / in a string and returns the resulting absolute path, inspired by Flysystem
+	 * Removes trailing slashes
+	 *
+	 * @param   string   $path   A path to resolve
+	 *
+	 * @return  string  The resolved path
+	 *
+	 * @since   1.6.0
+	 */
+	public static function resolve($path)
+	{
+		$path = static::clean($path);
+
+		// Save start character for absolute path
+		$startCharacter = ($path[0] === DIRECTORY_SEPARATOR) ? DIRECTORY_SEPARATOR : '';
+
+		$parts = array();
+
+		foreach (explode(DIRECTORY_SEPARATOR, $path) as $part)
+		{
+			switch ($part)
+			{
+				case '':
+				case '.':
+					break;
+
+				case '..':
+					if (empty($parts))
+					{
+						throw new FilesystemException('Path is outside of the defined root');
+					}
+
+					array_pop($parts);
+					break;
+
+				default:
+					$parts[] = $part;
+					break;
+			}
+		}
+
+		return $startCharacter . implode(DIRECTORY_SEPARATOR, $parts);
+	}
 }
diff --git a/libraries/vendor/joomla/filesystem/src/Stream.php b/libraries/vendor/joomla/filesystem/src/Stream.php
index 672e6cd75b4..9990d36ec73 100644
--- a/libraries/vendor/joomla/filesystem/src/Stream.php
+++ b/libraries/vendor/joomla/filesystem/src/Stream.php
@@ -2,7 +2,7 @@
 /**
  * Part of the Joomla Framework Filesystem Package
  *
- * @copyright  Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
+ * @copyright  Copyright (C) 2005 - 2020 Open Source Matters, Inc. All rights reserved.
  * @license    GNU General Public License version 2 or later; see LICENSE
  */
 
@@ -249,7 +249,7 @@ class Stream
 		}
 		elseif ($detectprocessingmode)
 		{
-			$ext = strtolower(pathinfo($this->filename, PATHINFO_EXTENSION));
+			$ext = strtolower(pathinfo($this->filename, \PATHINFO_EXTENSION));
 
 			switch ($ext)
 			{
@@ -668,7 +668,7 @@ class Stream
 	 * @since   1.0
 	 * @throws  FilesystemException
 	 */
-	public function seek($offset, $whence = SEEK_SET)
+	public function seek($offset, $whence = \SEEK_SET)
 	{
 		if (!$this->fh)
 		{
@@ -881,7 +881,7 @@ class Stream
 		$php_errormsg = '';
 		$trackErrors  = ini_get('track_errors');
 		ini_set('track_errors', true);
-		$sch = parse_url($filename, PHP_URL_SCHEME);
+		$sch = parse_url($filename, \PHP_URL_SCHEME);
 
 		// Scheme specific options; ftp's chmod support is fun.
 		switch ($sch)
@@ -1071,7 +1071,7 @@ class Stream
 	 * @since   1.0
 	 * @throws  FilesystemException
 	 */
-	public function appendFilter($filtername, $readWrite = STREAM_FILTER_READ, $params = array())
+	public function appendFilter($filtername, $readWrite = \STREAM_FILTER_READ, $params = array())
 	{
 		$res = false;
 
@@ -1111,7 +1111,7 @@ class Stream
 	 * @since   1.0
 	 * @throws  FilesystemException
 	 */
-	public function prependFilter($filtername, $readWrite = STREAM_FILTER_READ, $params = array())
+	public function prependFilter($filtername, $readWrite = \STREAM_FILTER_READ, $params = array())
 	{
 		$res = false;
 
diff --git a/libraries/vendor/joomla/filesystem/src/Stream/String.php b/libraries/vendor/joomla/filesystem/src/Stream/String.php
index 57ed442aac6..c88d010804c 100644
--- a/libraries/vendor/joomla/filesystem/src/Stream/String.php
+++ b/libraries/vendor/joomla/filesystem/src/Stream/String.php
@@ -2,7 +2,7 @@
 /**
  * Part of the Joomla Framework Filesystem Package
  *
- * @copyright  Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
+ * @copyright  Copyright (C) 2005 - 2020 Open Source Matters, Inc. All rights reserved.
  * @license    GNU General Public License version 2 or later; see LICENSE
  */
 
diff --git a/libraries/vendor/joomla/filesystem/src/Stream/StringWrapper.php b/libraries/vendor/joomla/filesystem/src/Stream/StringWrapper.php
index 92665a26d1e..31b7790354a 100644
--- a/libraries/vendor/joomla/filesystem/src/Stream/StringWrapper.php
+++ b/libraries/vendor/joomla/filesystem/src/Stream/StringWrapper.php
@@ -2,7 +2,7 @@
 /**
  * Part of the Joomla Framework Filesystem Package
  *
- * @copyright  Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
+ * @copyright  Copyright (C) 2005 - 2020 Open Source Matters, Inc. All rights reserved.
  * @license    GNU General Public License version 2 or later; see LICENSE
  */
 
@@ -13,8 +13,7 @@ use Joomla\Filesystem\Support\StringController;
 /**
  * String Stream Wrapper
  *
- * This class allows you to use a PHP string in the same way that
- * you would normally use a regular stream wrapper
+ * This class allows you to use a PHP string in the same way that you would normally use a regular stream wrapper
  *
  * @since  1.3.0
  */
@@ -249,12 +248,12 @@ class StringWrapper
 
 		switch ($whence)
 		{
-			case SEEK_SET:
+			case \SEEK_SET:
 				$this->pos = $offset;
 
 				break;
 
-			case SEEK_CUR:
+			case \SEEK_CUR:
 				if (($this->pos + $offset) > $this->len)
 				{
 					return false;
@@ -264,7 +263,7 @@ class StringWrapper
 
 				break;
 
-			case SEEK_END:
+			case \SEEK_END:
 				$this->pos = $this->len - $offset;
 
 				break;
diff --git a/libraries/vendor/joomla/filesystem/src/Support/StringController.php b/libraries/vendor/joomla/filesystem/src/Support/StringController.php
index 7c5748c45c7..b31d6103889 100644
--- a/libraries/vendor/joomla/filesystem/src/Support/StringController.php
+++ b/libraries/vendor/joomla/filesystem/src/Support/StringController.php
@@ -2,7 +2,7 @@
 /**
  * Part of the Joomla Framework Filesystem Package
  *
- * @copyright  Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
+ * @copyright  Copyright (C) 2005 - 2020 Open Source Matters, Inc. All rights reserved.
  * @license    GNU General Public License version 2 or later; see LICENSE
  */
 
diff --git a/libraries/vendor/joomla/filter/src/InputFilter.php b/libraries/vendor/joomla/filter/src/InputFilter.php
index 1a17f5204b5..65b2bdda51c 100644
--- a/libraries/vendor/joomla/filter/src/InputFilter.php
+++ b/libraries/vendor/joomla/filter/src/InputFilter.php
@@ -2,7 +2,7 @@
 /**
  * Part of the Joomla Framework Filter Package
  *
- * @copyright  Copyright (C) 2005 - 2018 Open Source Matters, Inc. All rights reserved.
+ * @copyright  Copyright (C) 2005 - 2020 Open Source Matters, Inc. All rights reserved.
  * @license    GNU General Public License version 2 or later; see LICENSE
  */
 
@@ -23,34 +23,70 @@ class InputFilter
 	/**
 	 * Defines the InputFilter instance should use a whitelist method for sanitising tags.
 	 *
-	 * @var    integer
-	 * @since  1.3.0
+	 * @var         integer
+	 * @since       1.3.0
+	 * @deprecated  2.0
 	 */
 	const TAGS_WHITELIST = 0;
 
 	/**
 	 * Defines the InputFilter instance should use a blacklist method for sanitising tags.
 	 *
-	 * @var    integer
-	 * @since  1.3.0
+	 * @var         integer
+	 * @since       1.3.0
+	 * @deprecated  2.0
 	 */
 	const TAGS_BLACKLIST = 1;
 
 	/**
 	 * Defines the InputFilter instance should use a whitelist method for sanitising attributes.
 	 *
-	 * @var    integer
-	 * @since  1.3.0
+	 * @var         integer
+	 * @since       1.3.0
+	 * @deprecated  2.0
 	 */
 	const ATTR_WHITELIST = 0;
 
 	/**
 	 * Defines the InputFilter instance should use a blacklist method for sanitising attributes.
 	 *
+	 * @var         integer
+	 * @since       1.3.0
+	 * @deprecated  2.0
+	 */
+	const ATTR_BLACKLIST = 1;
+
+	/**
+	 * Defines the InputFilter instance should only allow the supplied list of HTML tags.
+	 *
 	 * @var    integer
 	 * @since  1.3.0
 	 */
-	const ATTR_BLACKLIST = 1;
+	const ONLY_ALLOW_DEFINED_TAGS = 0;
+
+	/**
+	 * Defines the InputFilter instance should block the defined list of tags and allow all others.
+	 *
+	 * @var    integer
+	 * @since  1.3.0
+	 */
+	const ONLY_BLOCK_DEFINED_TAGS = 1;
+
+	/**
+	 * Defines the InputFilter instance should only allow the supplied list of attributes.
+	 *
+	 * @var    integer
+	 * @since  1.3.0
+	 */
+	const ONLY_ALLOW_DEFINED_ATTRIBUTES = 0;
+
+	/**
+	 * Defines the InputFilter instance should use a block all attributes.
+	 *
+	 * @var    integer
+	 * @since  1.3.0
+	 */
+	const ONLY_BLOCK_DEFINED_ATTRIBUTES = 1;
 
 	/**
 	 * A container for InputFilter instances.
@@ -62,7 +98,7 @@ class InputFilter
 	protected static $instances = array();
 
 	/**
-	 * The array of permitted tags (whitelist).
+	 * The array of permitted tags.
 	 *
 	 * @var    array
 	 * @since  1.0
@@ -70,7 +106,7 @@ class InputFilter
 	public $tagsArray;
 
 	/**
-	 * The array of permitted tag attributes (whitelist).
+	 * The array of permitted tag attributes.
 	 *
 	 * @var    array
 	 * @since  1.0
@@ -94,7 +130,7 @@ class InputFilter
 	public $attrMethod;
 
 	/**
-	 * A flag for XSS checks. Only auto clean essentials = 0, Allow clean blacklisted tags/attr = 1
+	 * A flag for XSS checks. Only auto clean essentials = 0, Allow clean blocked tags/attr = 1
 	 *
 	 * @var    integer
 	 * @since  1.0
@@ -102,10 +138,11 @@ class InputFilter
 	public $xssAuto;
 
 	/**
-	 * The list of the default blacklisted tags.
+	 * The list of the default blocked tags.
 	 *
 	 * @var    array
 	 * @since  1.0
+	 * @notes  This property will be renamed to $blockedTags in version 2.0
 	 */
 	public $tagBlacklist = array(
 		'applet',
@@ -138,6 +175,7 @@ class InputFilter
 	 *
 	 * @var    array
 	 * @since  1.0
+	 * @notes  This property will be renamed to $blockedAttributes in version 2.0
 	 */
 	public $attrBlacklist = array(
 		'action',
@@ -149,12 +187,12 @@ class InputFilter
 	);
 
 	/**
-	 * A special list of blacklisted chars
+	 * A special list of blocked chars
 	 *
 	 * @var    array
 	 * @since  1.3.3
 	 */
-	private $blacklistedChars = array(
+	private $blockedChars = array(
 		'&tab;',
 		'&space;',
 		'&colon;',
@@ -166,9 +204,9 @@ class InputFilter
 	 *
 	 * @param   array    $tagsArray   List of user-defined tags
 	 * @param   array    $attrArray   List of user-defined attributes
-	 * @param   integer  $tagsMethod  WhiteList method = 0, BlackList method = 1
-	 * @param   integer  $attrMethod  WhiteList method = 0, BlackList method = 1
-	 * @param   integer  $xssAuto     Only auto clean essentials = 0, Allow clean blacklisted tags/attr = 1
+	 * @param   integer  $tagsMethod  The constant static::ONLY_ALLOW_DEFINED_TAGS or static::BLOCK_DEFINED_TAGS
+	 * @param   integer  $attrMethod  The constant static::ONLY_ALLOW_DEFINED_ATTRIBUTES or static::BLOCK_DEFINED_ATTRIBUTES
+	 * @param   integer  $xssAuto     Only auto clean essentials = 0, Allow clean blocked tags/attributes = 1
 	 *
 	 * @since   1.0
 	 */
@@ -225,7 +263,7 @@ class InputFilter
 			case 'INTEGER':
 				$pattern = '/[-+]?[0-9]+/';
 
-				if (is_array($source))
+				if (\is_array($source))
 				{
 					$result = array();
 
@@ -247,7 +285,7 @@ class InputFilter
 			case 'UINT':
 				$pattern = '/[-+]?[0-9]+/';
 
-				if (is_array($source))
+				if (\is_array($source))
 				{
 					$result = array();
 
@@ -270,7 +308,7 @@ class InputFilter
 			case 'DOUBLE':
 				$pattern = '/[-+]?[0-9]+(\.[0-9]+)?([eE][-+]?[0-9]+)?/';
 
-				if (is_array($source))
+				if (\is_array($source))
 				{
 					$result = array();
 
@@ -292,7 +330,7 @@ class InputFilter
 			case 'BOOL':
 			case 'BOOLEAN':
 
-				if (is_array($source))
+				if (\is_array($source))
 				{
 					$result = array();
 
@@ -312,7 +350,7 @@ class InputFilter
 			case 'WORD':
 				$pattern = '/[^A-Z_]/i';
 
-				if (is_array($source))
+				if (\is_array($source))
 				{
 					$result = array();
 
@@ -332,7 +370,7 @@ class InputFilter
 			case 'ALNUM':
 				$pattern = '/[^A-Z0-9]/i';
 
-				if (is_array($source))
+				if (\is_array($source))
 				{
 					$result = array();
 
@@ -352,7 +390,7 @@ class InputFilter
 			case 'CMD':
 				$pattern = '/[^A-Z0-9_\.-]/i';
 
-				if (is_array($source))
+				if (\is_array($source))
 				{
 					$result = array();
 
@@ -374,7 +412,7 @@ class InputFilter
 			case 'BASE64':
 				$pattern = '/[^A-Z0-9\/+=]/i';
 
-				if (is_array($source))
+				if (\is_array($source))
 				{
 					$result = array();
 
@@ -392,7 +430,7 @@ class InputFilter
 				break;
 
 			case 'STRING':
-				if (is_array($source))
+				if (\is_array($source))
 				{
 					$result = array();
 
@@ -410,7 +448,7 @@ class InputFilter
 				break;
 
 			case 'HTML':
-				if (is_array($source))
+				if (\is_array($source))
 				{
 					$result = array();
 
@@ -429,12 +467,13 @@ class InputFilter
 
 			case 'ARRAY':
 				$result = (array) $source;
+
 				break;
 
 			case 'PATH':
 				$pattern = '/^[A-Za-z0-9_\/-]+[A-Za-z0-9_\.-]*([\\\\\/][A-Za-z0-9_-]+[A-Za-z0-9_\.-]*)*$/';
 
-				if (is_array($source))
+				if (\is_array($source))
 				{
 					$result = array();
 
@@ -454,7 +493,7 @@ class InputFilter
 				break;
 
 			case 'TRIM':
-				if (is_array($source))
+				if (\is_array($source))
 				{
 					$result = array();
 
@@ -462,15 +501,15 @@ class InputFilter
 					foreach ($source as $eachString)
 					{
 						$cleaned  = (string) trim($eachString);
-						$cleaned  = StringHelper::trim($cleaned, chr(0xE3) . chr(0x80) . chr(0x80));
-						$result[] = StringHelper::trim($cleaned, chr(0xC2) . chr(0xA0));
+						$cleaned  = StringHelper::trim($cleaned, \chr(0xE3) . \chr(0x80) . \chr(0x80));
+						$result[] = StringHelper::trim($cleaned, \chr(0xC2) . \chr(0xA0));
 					}
 				}
 				else
 				{
 					$result = (string) trim($source);
-					$result = StringHelper::trim($result, chr(0xE3) . chr(0x80) . chr(0x80));
-					$result = StringHelper::trim($result, chr(0xC2) . chr(0xA0));
+					$result = StringHelper::trim($result, \chr(0xE3) . \chr(0x80) . \chr(0x80));
+					$result = StringHelper::trim($result, \chr(0xC2) . \chr(0xA0));
 				}
 
 				break;
@@ -478,7 +517,7 @@ class InputFilter
 			case 'USERNAME':
 				$pattern = '/[\x00-\x1F\x7F<>"\'%&]/';
 
-				if (is_array($source))
+				if (\is_array($source))
 				{
 					$result = array();
 
@@ -497,16 +536,17 @@ class InputFilter
 
 			case 'RAW':
 				$result = $source;
+
 				break;
 
 			default:
 				// Are we dealing with an array?
-				if (is_array($source))
+				if (\is_array($source))
 				{
 					foreach ($source as $key => $value)
 					{
 						// Filter element for XSS and other 'bad' code etc.
-						if (is_string($value))
+						if (\is_string($value))
 						{
 							$source[$key] = $this->remove($this->decode($value));
 						}
@@ -517,7 +557,7 @@ class InputFilter
 				else
 				{
 					// Or a string?
-					if (is_string($source) && !empty($source))
+					if (\is_string($source) && !empty($source))
 					{
 						// Filter source for XSS and other 'bad' code etc.
 						$result = $this->remove($this->decode($source));
@@ -546,13 +586,13 @@ class InputFilter
 	 */
 	public static function checkAttribute($attrSubSet)
 	{
-		$quoteStyle = version_compare(PHP_VERSION, '5.4', '>=') ? ENT_QUOTES | ENT_HTML401 : ENT_QUOTES;
+		$quoteStyle = version_compare(\PHP_VERSION, '5.4', '>=') ? \ENT_QUOTES | \ENT_HTML401 : \ENT_QUOTES;
 
 		$attrSubSet[0] = strtolower($attrSubSet[0]);
 		$attrSubSet[1] = html_entity_decode(strtolower($attrSubSet[1]), $quoteStyle, 'UTF-8');
 
-		return ((strpos($attrSubSet[1], 'expression') !== false && $attrSubSet[0] === 'style')
-			|| preg_match('/(?:(?:java|vb|live)script|behaviour|mocha)(?::|&colon;|&column;)/', $attrSubSet[1]) !== 0);
+		return (strpos($attrSubSet[1], 'expression') !== false && $attrSubSet[0] === 'style')
+			|| preg_match('/(?:(?:java|vb|live)script|behaviour|mocha)(?::|&colon;|&column;)/', $attrSubSet[1]) !== 0;
 	}
 
 	/**
@@ -569,7 +609,7 @@ class InputFilter
 		// Iteration provides nested tag protection
 		do
 		{
-			$temp = $source;
+			$temp   = $source;
 			$source = $this->cleanTags($source);
 		}
 		while ($temp !== $source);
@@ -592,8 +632,8 @@ class InputFilter
 		$source = $this->escapeAttributeValues($source);
 
 		// In the beginning we don't really have a tag, so everything is postTag
-		$preTag = null;
-		$postTag = $source;
+		$preTag       = null;
+		$postTag      = $source;
 		$currentSpace = false;
 
 		// Setting to null to deal with undefined variables
@@ -606,9 +646,9 @@ class InputFilter
 		{
 			// Get some information about the tag we are processing
 			$preTag .= StringHelper::substr($postTag, 0, $tagOpenStart);
-			$postTag = StringHelper::substr($postTag, $tagOpenStart);
+			$postTag     = StringHelper::substr($postTag, $tagOpenStart);
 			$fromTagOpen = StringHelper::substr($postTag, 1);
-			$tagOpenEnd = StringHelper::strpos($fromTagOpen, '>');
+			$tagOpenEnd  = StringHelper::strpos($fromTagOpen, '>');
 
 			// Check for mal-formed tag where we have a second '<' before the first '>'
 			$nextOpenTag = (StringHelper::strlen($postTag) > $tagOpenStart) ? StringHelper::strpos($postTag, '<', $tagOpenStart + 1) : false;
@@ -616,16 +656,18 @@ class InputFilter
 			if (($nextOpenTag !== false) && ($nextOpenTag < $tagOpenEnd))
 			{
 				// At this point we have a mal-formed tag -- remove the offending open
-				$postTag = StringHelper::substr($postTag, 0, $tagOpenStart) . StringHelper::substr($postTag, $tagOpenStart + 1);
+				$postTag      = StringHelper::substr($postTag, 0, $tagOpenStart) . StringHelper::substr($postTag, $tagOpenStart + 1);
 				$tagOpenStart = StringHelper::strpos($postTag, '<');
+
 				continue;
 			}
 
 			// Let's catch any non-terminated tags and skip over them
 			if ($tagOpenEnd === false)
 			{
-				$postTag = StringHelper::substr($postTag, $tagOpenStart + 1);
+				$postTag      = StringHelper::substr($postTag, $tagOpenStart + 1);
 				$tagOpenStart = StringHelper::strpos($postTag, '<');
+
 				continue;
 			}
 
@@ -635,44 +677,45 @@ class InputFilter
 			if (($tagOpenNested !== false) && ($tagOpenNested < $tagOpenEnd))
 			{
 				$preTag .= StringHelper::substr($postTag, 0, ($tagOpenNested + 1));
-				$postTag = StringHelper::substr($postTag, ($tagOpenNested + 1));
+				$postTag      = StringHelper::substr($postTag, ($tagOpenNested + 1));
 				$tagOpenStart = StringHelper::strpos($postTag, '<');
+
 				continue;
 			}
 
 			// Let's get some information about our tag and setup attribute pairs
 			$tagOpenNested = (StringHelper::strpos($fromTagOpen, '<') + $tagOpenStart + 1);
-			$currentTag = StringHelper::substr($fromTagOpen, 0, $tagOpenEnd);
-			$tagLength = StringHelper::strlen($currentTag);
-			$tagLeft = $currentTag;
-			$attrSet = array();
-			$currentSpace = StringHelper::strpos($tagLeft, ' ');
+			$currentTag    = StringHelper::substr($fromTagOpen, 0, $tagOpenEnd);
+			$tagLength     = StringHelper::strlen($currentTag);
+			$tagLeft       = $currentTag;
+			$attrSet       = array();
+			$currentSpace  = StringHelper::strpos($tagLeft, ' ');
 
 			// Are we an open tag or a close tag?
 			if (StringHelper::substr($currentTag, 0, 1) === '/')
 			{
 				// Close Tag
-				$isCloseTag = true;
-				list ($tagName) = explode(' ', $currentTag);
-				$tagName = StringHelper::substr($tagName, 1);
+				$isCloseTag    = true;
+				list($tagName) = explode(' ', $currentTag);
+				$tagName       = StringHelper::substr($tagName, 1);
 			}
 			else
 			{
 				// Open Tag
-				$isCloseTag = false;
-				list ($tagName) = explode(' ', $currentTag);
+				$isCloseTag    = false;
+				list($tagName) = explode(' ', $currentTag);
 			}
 
 			/*
 			 * Exclude all "non-regular" tagnames
 			 * OR no tagname
-			 * OR remove if xssauto is on and tag is blacklisted
+			 * OR remove if xssauto is on and tag is blocked
 			 */
-			if ((!preg_match("/^[a-z][a-z0-9]*$/i", $tagName))
+			if ((!preg_match('/^[a-z][a-z0-9]*$/i', $tagName))
 				|| (!$tagName)
-				|| ((in_array(strtolower($tagName), $this->tagBlacklist)) && ($this->xssAuto)))
+				|| ((\in_array(strtolower($tagName), $this->tagBlacklist)) && ($this->xssAuto)))
 			{
-				$postTag = StringHelper::substr($postTag, ($tagLength + 2));
+				$postTag      = StringHelper::substr($postTag, ($tagLength + 2));
 				$tagOpenStart = StringHelper::strpos($postTag, '<');
 
 				// Strip tag
@@ -685,30 +728,30 @@ class InputFilter
 			 */
 			while ($currentSpace !== false)
 			{
-				$attr = '';
-				$fromSpace = StringHelper::substr($tagLeft, ($currentSpace + 1));
-				$nextEqual = StringHelper::strpos($fromSpace, '=');
-				$nextSpace = StringHelper::strpos($fromSpace, ' ');
-				$openQuotes = StringHelper::strpos($fromSpace, '"');
+				$attr        = '';
+				$fromSpace   = StringHelper::substr($tagLeft, ($currentSpace + 1));
+				$nextEqual   = StringHelper::strpos($fromSpace, '=');
+				$nextSpace   = StringHelper::strpos($fromSpace, ' ');
+				$openQuotes  = StringHelper::strpos($fromSpace, '"');
 				$closeQuotes = StringHelper::strpos(StringHelper::substr($fromSpace, ($openQuotes + 1)), '"') + $openQuotes + 1;
 
-				$startAtt = '';
+				$startAtt         = '';
 				$startAttPosition = 0;
 
 				// Find position of equal and open quotes ignoring
-				if (preg_match('#\s*=\s*\"#', $fromSpace, $matches, PREG_OFFSET_CAPTURE))
+				if (preg_match('#\s*=\s*\"#', $fromSpace, $matches, \PREG_OFFSET_CAPTURE))
 				{
 					// We have found an attribute, convert its byte position to a UTF-8 string length, using non-multibyte substr()
 					$stringBeforeAttr = substr($fromSpace, 0, $matches[0][1]);
 					$startAttPosition = StringHelper::strlen($stringBeforeAttr);
-					$startAtt = $matches[0][0];
-					$closeQuotePos = StringHelper::strpos(
+					$startAtt         = $matches[0][0];
+					$closeQuotePos    = StringHelper::strpos(
 						StringHelper::substr($fromSpace, ($startAttPosition + StringHelper::strlen($startAtt))), '"'
 					);
 					$closeQuotes = $closeQuotePos + $startAttPosition + StringHelper::strlen($startAtt);
-					$nextEqual = $startAttPosition + StringHelper::strpos($startAtt, '=');
-					$openQuotes = $startAttPosition + StringHelper::strpos($startAtt, '"');
-					$nextSpace = StringHelper::strpos(StringHelper::substr($fromSpace, $closeQuotes), ' ') + $closeQuotes;
+					$nextEqual   = $startAttPosition + StringHelper::strpos($startAtt, '=');
+					$openQuotes  = $startAttPosition + StringHelper::strpos($startAtt, '"');
+					$nextSpace   = StringHelper::strpos(StringHelper::substr($fromSpace, $closeQuotes), ' ') + $closeQuotes;
 				}
 
 				// Do we have an attribute to process? [check for equal sign]
@@ -747,8 +790,8 @@ class InputFilter
 					}
 				}
 				else
-				// No more equal signs so add any extra text in the tag into the attribute array [eg. checked]
 				{
+					// No more equal signs so add any extra text in the tag into the attribute array [eg. checked]
 					if ($fromSpace !== '/')
 					{
 						$attr = StringHelper::substr($fromSpace, 0, $nextSpace);
@@ -765,12 +808,12 @@ class InputFilter
 				$attrSet[] = $attr;
 
 				// Move search point and continue iteration
-				$tagLeft = StringHelper::substr($fromSpace, StringHelper::strlen($attr));
+				$tagLeft      = StringHelper::substr($fromSpace, StringHelper::strlen($attr));
 				$currentSpace = StringHelper::strpos($tagLeft, ' ');
 			}
 
 			// Is our tag in the user input array?
-			$tagFound = in_array(strtolower($tagName), $this->tagsArray);
+			$tagFound = \in_array(strtolower($tagName), $this->tagsArray);
 
 			// If the tag is allowed let's append it to the output string.
 			if ((!$tagFound && $this->tagsMethod) || ($tagFound && !$this->tagsMethod))
@@ -782,7 +825,7 @@ class InputFilter
 					$attrSet = $this->cleanAttributes($attrSet);
 					$preTag .= '<' . $tagName;
 
-					for ($i = 0, $count = count($attrSet); $i < $count; $i++)
+					for ($i = 0, $count = \count($attrSet); $i < $count; $i++)
 					{
 						$preTag .= ' ' . $attrSet[$i];
 					}
@@ -798,14 +841,14 @@ class InputFilter
 					}
 				}
 				else
-				// Closing tag
 				{
+					// Closing tag
 					$preTag .= '</' . $tagName . '>';
 				}
 			}
 
 			// Find next tag's start and continue iteration
-			$postTag = StringHelper::substr($postTag, ($tagLength + 2));
+			$postTag      = StringHelper::substr($postTag, ($tagLength + 2));
 			$tagOpenStart = StringHelper::strpos($postTag, '<');
 		}
 
@@ -831,7 +874,7 @@ class InputFilter
 	{
 		$newSet = array();
 
-		$count = count($attrSet);
+		$count = \count($attrSet);
 
 		// Iterate through attribute pairs
 		for ($i = 0; $i < $count; $i++)
@@ -850,26 +893,26 @@ class InputFilter
 			$attrSubSet[0] = array_pop($attrSubSet0);
 
 			$attrSubSet[0] = strtolower($attrSubSet[0]);
-			$quoteStyle = version_compare(PHP_VERSION, '5.4', '>=') ? ENT_QUOTES | ENT_HTML401 : ENT_QUOTES;
+			$quoteStyle    = version_compare(\PHP_VERSION, '5.4', '>=') ? \ENT_QUOTES | \ENT_HTML401 : \ENT_QUOTES;
 
 			// Remove all spaces as valid attributes does not have spaces.
 			$attrSubSet[0] = html_entity_decode($attrSubSet[0], $quoteStyle, 'UTF-8');
 			$attrSubSet[0] = preg_replace('/^[\pZ\pC]+|[\pZ\pC]+$/u', '', $attrSubSet[0]);
 			$attrSubSet[0] = preg_replace('/\s+/u', '', $attrSubSet[0]);
 
-			// Remove blacklisted chars from the attribute name
-			foreach ($this->blacklistedChars as $blacklistedChar)
+			// Remove blocked chars from the attribute name
+			foreach ($this->blockedChars as $blockedChar)
 			{
-				$attrSubSet[0] = str_ireplace($blacklistedChar, '', $attrSubSet[0]);
+				$attrSubSet[0] = str_ireplace($blockedChar, '', $attrSubSet[0]);
 			}
 
 			// Remove all symbols
 			$attrSubSet[0] = preg_replace('/[^\p{L}\p{N}\-\s]/u', '', $attrSubSet[0]);
 
 			// Remove all "non-regular" attribute names
-			// AND blacklisted attributes
+			// AND blocked attributes
 			if ((!preg_match('/[a-z]*$/i', $attrSubSet[0]))
-				|| (($this->xssAuto) && ((in_array(strtolower($attrSubSet[0]), $this->attrBlacklist))
+				|| (($this->xssAuto) && ((\in_array(strtolower($attrSubSet[0]), $this->attrBlacklist))
 				|| (substr($attrSubSet[0], 0, 2) == 'on'))))
 			{
 				continue;
@@ -881,10 +924,10 @@ class InputFilter
 				continue;
 			}
 
-			// Remove blacklisted chars from the attribute value
-			foreach ($this->blacklistedChars as $blacklistedChar)
+			// Remove blocked chars from the attribute value
+			foreach ($this->blockedChars as $blockedChar)
 			{
-				$attrSubSet[1] = str_ireplace($blacklistedChar, '', $attrSubSet[1]);
+				$attrSubSet[1] = str_ireplace($blockedChar, '', $attrSubSet[1]);
 			}
 
 			// Trim leading and trailing spaces
@@ -900,9 +943,9 @@ class InputFilter
 			$attrSubSet[1] = str_replace('"', '', $attrSubSet[1]);
 
 			// Convert single quotes from either side to doubles (Single quotes shouldn't be used to pad attr values)
-			if ((substr($attrSubSet[1], 0, 1) == "'") && (substr($attrSubSet[1], (strlen($attrSubSet[1]) - 1), 1) == "'"))
+			if ((substr($attrSubSet[1], 0, 1) == "'") && (substr($attrSubSet[1], (\strlen($attrSubSet[1]) - 1), 1) == "'"))
 			{
-				$attrSubSet[1] = substr($attrSubSet[1], 1, (strlen($attrSubSet[1]) - 2));
+				$attrSubSet[1] = substr($attrSubSet[1], 1, (\strlen($attrSubSet[1]) - 2));
 			}
 
 			// Strip slashes
@@ -915,7 +958,7 @@ class InputFilter
 			}
 
 			// Is our attribute in the user input array?
-			$attrFound = in_array(strtolower($attrSubSet[0]), $this->attrArray);
+			$attrFound = \in_array(strtolower($attrSubSet[0]), $this->attrArray);
 
 			// If the tag is allowed lets keep it
 			if ((!$attrFound && $this->attrMethod) || ($attrFound && !$this->attrMethod))
@@ -925,7 +968,7 @@ class InputFilter
 				{
 					$newSet[] = $attrSubSet[0] . '="' . $attrSubSet[1] . '"';
 				}
-				elseif ($attrSubSet[1] === "0")
+				elseif ($attrSubSet[1] === '0')
 				{
 					// Special Case
 					// Is the value 0?
@@ -954,7 +997,7 @@ class InputFilter
 	 */
 	protected function decode($source)
 	{
-		return html_entity_decode($source, ENT_QUOTES, 'UTF-8');
+		return html_entity_decode($source, \ENT_QUOTES, 'UTF-8');
 	}
 
 	/**
@@ -969,35 +1012,35 @@ class InputFilter
 	protected function escapeAttributeValues($source)
 	{
 		$alreadyFiltered = '';
-		$remainder = $source;
-		$badChars = array('<', '"', '>');
-		$escapedChars = array('&lt;', '&quot;', '&gt;');
+		$remainder       = $source;
+		$badChars        = array('<', '"', '>');
+		$escapedChars    = array('&lt;', '&quot;', '&gt;');
 
 		// Process each portion based on presence of =" and "<space>, "/>, or ">
 		// See if there are any more attributes to process
-		while (preg_match('#<[^>]*?=\s*?(\"|\')#s', $remainder, $matches, PREG_OFFSET_CAPTURE))
+		while (preg_match('#<[^>]*?=\s*?(\"|\')#s', $remainder, $matches, \PREG_OFFSET_CAPTURE))
 		{
 			// We have found a tag with an attribute, convert its byte position to a UTF-8 string length, using non-multibyte substr()
 			$stringBeforeTag = substr($remainder, 0, $matches[0][1]);
-			$tagPosition = StringHelper::strlen($stringBeforeTag);
+			$tagPosition     = StringHelper::strlen($stringBeforeTag);
 
 			// Get the character length before the attribute value
 			$nextBefore = $tagPosition + StringHelper::strlen($matches[0][0]);
 
 			// Figure out if we have a single or double quote and look for the matching closing quote
 			// Closing quote should be "/>, ">, "<space>, or " at the end of the string
-			$quote = StringHelper::substr($matches[0][0], -1);
+			$quote     = StringHelper::substr($matches[0][0], -1);
 			$pregMatch = ($quote == '"') ? '#(\"\s*/\s*>|\"\s*>|\"\s+|\"$)#' : "#(\'\s*/\s*>|\'\s*>|\'\s+|\'$)#";
 
 			// Get the portion after attribute value
 			$attributeValueRemainder = StringHelper::substr($remainder, $nextBefore);
 
-			if (preg_match($pregMatch, $attributeValueRemainder, $matches, PREG_OFFSET_CAPTURE))
+			if (preg_match($pregMatch, $attributeValueRemainder, $matches, \PREG_OFFSET_CAPTURE))
 			{
 				// We have a closing quote, convert its byte position to a UTF-8 string length, using non-multibyte substr()
 				$stringBeforeQuote = substr($attributeValueRemainder, 0, $matches[0][1]);
-				$closeQuoteChars = StringHelper::strlen($stringBeforeQuote);
-				$nextAfter = $nextBefore + $matches[0][1];
+				$closeQuoteChars   = StringHelper::strlen($stringBeforeQuote);
+				$nextAfter         = $nextBefore + $matches[0][1];
 			}
 			else
 			{
diff --git a/libraries/vendor/joomla/filter/src/OutputFilter.php b/libraries/vendor/joomla/filter/src/OutputFilter.php
index 8ca20e4e8c8..bf5ac80cf90 100644
--- a/libraries/vendor/joomla/filter/src/OutputFilter.php
+++ b/libraries/vendor/joomla/filter/src/OutputFilter.php
@@ -2,7 +2,7 @@
 /**
  * Part of the Joomla Framework Filter Package
  *
- * @copyright  Copyright (C) 2005 - 2018 Open Source Matters, Inc. All rights reserved.
+ * @copyright  Copyright (C) 2005 - 2020 Open Source Matters, Inc. All rights reserved.
  * @license    GNU General Public License version 2 or later; see LICENSE
  */
 
@@ -32,22 +32,23 @@ class OutputFilter
 	 *
 	 * @since   1.0
 	 */
-	public static function objectHtmlSafe(&$mixed, $quoteStyle = ENT_QUOTES, $excludeKeys = '')
+	public static function objectHtmlSafe(&$mixed, $quoteStyle = \ENT_QUOTES, $excludeKeys = '')
 	{
-		if (is_object($mixed))
+		if (\is_object($mixed))
 		{
 			foreach (get_object_vars($mixed) as $k => $v)
 			{
-				if (is_array($v) || is_object($v) || $v == null || substr($k, 1, 1) == '_')
+				if (\is_array($v) || \is_object($v) || $v == null || substr($k, 1, 1) == '_')
 				{
 					continue;
 				}
 
-				if (is_string($excludeKeys) && $k == $excludeKeys)
+				if (\is_string($excludeKeys) && $k == $excludeKeys)
 				{
 					continue;
 				}
-				elseif (is_array($excludeKeys) && in_array($k, $excludeKeys))
+
+				if (\is_array($excludeKeys) && \in_array($k, $excludeKeys))
 				{
 					continue;
 				}
@@ -98,7 +99,7 @@ class OutputFilter
 
 		// Transliterate on the language requested (fallback to current language if not specified)
 		$lang = empty($language) ? Language::getInstance() : Language::getInstance($language);
-		$str = $lang->transliterate($str);
+		$str  = $lang->transliterate($str);
 
 		// Trim white spaces at beginning and end of alias and make lowercase
 		$str = trim(StringHelper::strtolower($str));
@@ -179,7 +180,7 @@ class OutputFilter
 		$text = preg_replace('/&amp;/', ' ', $text);
 		$text = preg_replace('/&quot;/', ' ', $text);
 		$text = strip_tags($text);
-		$text = htmlspecialchars($text, ENT_COMPAT, 'UTF-8');
+		$text = htmlspecialchars($text, \ENT_COMPAT, 'UTF-8');
 
 		return $text;
 	}
diff --git a/libraries/vendor/joomla/registry/src/AbstractRegistryFormat.php b/libraries/vendor/joomla/registry/src/AbstractRegistryFormat.php
index b08cb051af3..38fa5e90292 100644
--- a/libraries/vendor/joomla/registry/src/AbstractRegistryFormat.php
+++ b/libraries/vendor/joomla/registry/src/AbstractRegistryFormat.php
@@ -2,7 +2,7 @@
 /**
  * Part of the Joomla Framework Registry Package
  *
- * @copyright  Copyright (C) 2005 - 2018 Open Source Matters, Inc. All rights reserved.
+ * @copyright  Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
  * @license    GNU General Public License version 2 or later; see LICENSE
  */
 
diff --git a/libraries/vendor/joomla/registry/src/Factory.php b/libraries/vendor/joomla/registry/src/Factory.php
index 6de86a507a1..ad8e16ff76d 100644
--- a/libraries/vendor/joomla/registry/src/Factory.php
+++ b/libraries/vendor/joomla/registry/src/Factory.php
@@ -2,7 +2,7 @@
 /**
  * Part of the Joomla Framework Registry Package
  *
- * @copyright  Copyright (C) 2005 - 2018 Open Source Matters, Inc. All rights reserved.
+ * @copyright  Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
  * @license    GNU General Public License version 2 or later; see LICENSE
  */
 
diff --git a/libraries/vendor/joomla/registry/src/Format/Ini.php b/libraries/vendor/joomla/registry/src/Format/Ini.php
index 1d96244f555..ca18b76a42b 100644
--- a/libraries/vendor/joomla/registry/src/Format/Ini.php
+++ b/libraries/vendor/joomla/registry/src/Format/Ini.php
@@ -2,7 +2,7 @@
 /**
  * Part of the Joomla Framework Registry Package
  *
- * @copyright  Copyright (C) 2005 - 2018 Open Source Matters, Inc. All rights reserved.
+ * @copyright  Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
  * @license    GNU General Public License version 2 or later; see LICENSE
  */
 
@@ -62,7 +62,7 @@ class Ini extends AbstractRegistryFormat
 
 		$variables = get_object_vars($object);
 
-		$last = count($variables);
+		$last = \count($variables);
 
 		// Assume that the first element is in section
 		$inSection = true;
@@ -71,7 +71,7 @@ class Ini extends AbstractRegistryFormat
 		foreach ($variables as $key => $value)
 		{
 			// If the value is an object then we need to put it in a local section.
-			if (is_object($value))
+			if (\is_object($value))
 			{
 				// Add an empty line if previous string wasn't in a section
 				if (!$inSection)
@@ -85,7 +85,7 @@ class Ini extends AbstractRegistryFormat
 				// Add the properties for this section.
 				foreach (get_object_vars($value) as $k => $v)
 				{
-					if (is_array($v) && $supportArrayValues)
+					if (\is_array($v) && $supportArrayValues)
 					{
 						$assoc = ArrayHelper::isAssociative($v);
 
@@ -102,12 +102,12 @@ class Ini extends AbstractRegistryFormat
 				}
 
 				// Add empty line after section if it is not the last one
-				if (0 !== --$last)
+				if (--$last !== 0)
 				{
 					$local[] = '';
 				}
 			}
-			elseif (is_array($value) && $supportArrayValues)
+			elseif (\is_array($value) && $supportArrayValues)
 			{
 				$assoc = ArrayHelper::isAssociative($value);
 
@@ -175,13 +175,14 @@ class Ini extends AbstractRegistryFormat
 
 			if ($options['processSections'])
 			{
-				$length = strlen($line);
+				$length = \strlen($line);
 
 				// If we are processing sections and the line is a section add the object and continue.
 				if ($line[0] === '[' && ($line[$length - 1] === ']'))
 				{
 					$section       = substr($line, 1, $length - 2);
 					$obj->$section = new stdClass;
+
 					continue;
 				}
 			}
@@ -198,7 +199,7 @@ class Ini extends AbstractRegistryFormat
 			}
 
 			// Get the key and value for the line.
-			list ($key, $value) = explode('=', $line, 2);
+			list($key, $value) = explode('=', $line, 2);
 
 			// If we have an array item
 			if (substr($key, -1) === ']' && ($openBrace = strpos($key, '[', 1)) !== false)
@@ -231,7 +232,7 @@ class Ini extends AbstractRegistryFormat
 			}
 
 			// If the value is quoted then we assume it is a string.
-			$length = strlen($value);
+			$length = \strlen($value);
 
 			if ($length && ($value[0] === '"') && ($value[$length - 1] === '"'))
 			{
@@ -249,18 +250,18 @@ class Ini extends AbstractRegistryFormat
 					$value = false;
 				}
 				elseif ($value === 'true')
-					// If the value is 'true' assume boolean true.
 				{
+					// If the value is 'true' assume boolean true.
 					$value = true;
 				}
-				elseif ($options['parseBooleanWords'] && in_array(strtolower($value), array('yes', 'no'), true))
-					// If the value is 'yes' or 'no' and option is enabled assume appropriate boolean
+				elseif ($options['parseBooleanWords'] && \in_array(strtolower($value), array('yes', 'no'), true))
 				{
+					// If the value is 'yes' or 'no' and option is enabled assume appropriate boolean
 					$value = (strtolower($value) === 'yes');
 				}
 				elseif (is_numeric($value))
-					// If the value is numeric than it is either a float or int.
 				{
+					// If the value is numeric than it is either a float or int.
 					// If there is a period then we assume a float.
 					if (strpos($value, '.') !== false)
 					{
@@ -343,20 +344,23 @@ class Ini extends AbstractRegistryFormat
 	{
 		$string = '';
 
-		switch (gettype($value))
+		switch (\gettype($value))
 		{
 			case 'integer':
 			case 'double':
 				$string = $value;
+
 				break;
 
 			case 'boolean':
 				$string = $value ? 'true' : 'false';
+
 				break;
 
 			case 'string':
 				// Sanitize any CRLF characters..
 				$string = '"' . str_replace(array("\r\n", "\n"), '\\n', $value) . '"';
+
 				break;
 		}
 
diff --git a/libraries/vendor/joomla/registry/src/Format/Json.php b/libraries/vendor/joomla/registry/src/Format/Json.php
index fd46d4f5d79..c1d47fd24e4 100644
--- a/libraries/vendor/joomla/registry/src/Format/Json.php
+++ b/libraries/vendor/joomla/registry/src/Format/Json.php
@@ -2,7 +2,7 @@
 /**
  * Part of the Joomla Framework Registry Package
  *
- * @copyright  Copyright (C) 2005 - 2018 Open Source Matters, Inc. All rights reserved.
+ * @copyright  Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
  * @license    GNU General Public License version 2 or later; see LICENSE
  */
 
diff --git a/libraries/vendor/joomla/registry/src/Format/Php.php b/libraries/vendor/joomla/registry/src/Format/Php.php
index 06e2aded572..9bbf40ca770 100644
--- a/libraries/vendor/joomla/registry/src/Format/Php.php
+++ b/libraries/vendor/joomla/registry/src/Format/Php.php
@@ -2,7 +2,7 @@
 /**
  * Part of the Joomla Framework Registry Package
  *
- * @copyright  Copyright (C) 2005 - 2018 Open Source Matters, Inc. All rights reserved.
+ * @copyright  Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
  * @license    GNU General Public License version 2 or later; see LICENSE
  */
 
@@ -42,7 +42,7 @@ class Php extends AbstractRegistryFormat
 			{
 				$vars .= "\tpublic $" . $k . " = '" . addcslashes($v, '\\\'') . "';\n";
 			}
-			elseif (is_array($v) || is_object($v))
+			elseif (\is_array($v) || \is_object($v))
 			{
 				$vars .= "\tpublic $" . $k . ' = ' . $this->getArrayString((array) $v) . ";\n";
 			}
@@ -103,7 +103,7 @@ class Php extends AbstractRegistryFormat
 			$s .= $i ? ', ' : '';
 			$s .= '"' . $k . '" => ';
 
-			if (is_array($v) || is_object($v))
+			if (\is_array($v) || \is_object($v))
 			{
 				$s .= $this->getArrayString((array) $v);
 			}
diff --git a/libraries/vendor/joomla/registry/src/Format/Xml.php b/libraries/vendor/joomla/registry/src/Format/Xml.php
index c168ff8c034..14c5e745f50 100644
--- a/libraries/vendor/joomla/registry/src/Format/Xml.php
+++ b/libraries/vendor/joomla/registry/src/Format/Xml.php
@@ -2,7 +2,7 @@
 /**
  * Part of the Joomla Framework Registry Package
  *
- * @copyright  Copyright (C) 2005 - 2018 Open Source Matters, Inc. All rights reserved.
+ * @copyright  Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
  * @license    GNU General Public License version 2 or later; see LICENSE
  */
 
@@ -87,23 +87,19 @@ class Xml extends AbstractRegistryFormat
 				$value = (string) $node;
 
 				return (int) $value;
-				break;
 
 			case 'string':
 				return (string) $node;
-				break;
 
 			case 'boolean':
 				$value = (string) $node;
 
 				return (bool) $value;
-				break;
 
 			case 'double':
 				$value = (string) $node;
 
 				return (float) $value;
-				break;
 
 			case 'array':
 				$value = array();
@@ -149,13 +145,13 @@ class Xml extends AbstractRegistryFormat
 			{
 				$n = $node->addChild($nodeName, $v);
 				$n->addAttribute('name', $k);
-				$n->addAttribute('type', gettype($v));
+				$n->addAttribute('type', \gettype($v));
 			}
 			else
 			{
 				$n = $node->addChild($nodeName);
 				$n->addAttribute('name', $k);
-				$n->addAttribute('type', gettype($v));
+				$n->addAttribute('type', \gettype($v));
 
 				$this->getXmlChildren($n, $v, $nodeName);
 			}
diff --git a/libraries/vendor/joomla/registry/src/Format/Yaml.php b/libraries/vendor/joomla/registry/src/Format/Yaml.php
index 86175f8b3c1..03f4cd09d54 100644
--- a/libraries/vendor/joomla/registry/src/Format/Yaml.php
+++ b/libraries/vendor/joomla/registry/src/Format/Yaml.php
@@ -2,15 +2,15 @@
 /**
  * Part of the Joomla Framework Registry Package
  *
- * @copyright  Copyright (C) 2005 - 2018 Open Source Matters, Inc. All rights reserved.
+ * @copyright  Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
  * @license    GNU General Public License version 2 or later; see LICENSE
  */
 
 namespace Joomla\Registry\Format;
 
 use Joomla\Registry\AbstractRegistryFormat;
-use Symfony\Component\Yaml\Parser as SymfonyYamlParser;
 use Symfony\Component\Yaml\Dumper as SymfonyYamlDumper;
+use Symfony\Component\Yaml\Parser as SymfonyYamlParser;
 
 /**
  * YAML format handler for Registry.
diff --git a/libraries/vendor/joomla/registry/src/FormatInterface.php b/libraries/vendor/joomla/registry/src/FormatInterface.php
index 94a704849b5..4ee534378b8 100644
--- a/libraries/vendor/joomla/registry/src/FormatInterface.php
+++ b/libraries/vendor/joomla/registry/src/FormatInterface.php
@@ -2,7 +2,7 @@
 /**
  * Part of the Joomla Framework Registry Package
  *
- * @copyright  Copyright (C) 2005 - 2018 Open Source Matters, Inc. All rights reserved.
+ * @copyright  Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
  * @license    GNU General Public License version 2 or later; see LICENSE
  */
 
diff --git a/libraries/vendor/joomla/registry/src/Registry.php b/libraries/vendor/joomla/registry/src/Registry.php
index b0bc7004a3b..2b24a4cb281 100644
--- a/libraries/vendor/joomla/registry/src/Registry.php
+++ b/libraries/vendor/joomla/registry/src/Registry.php
@@ -2,7 +2,7 @@
 /**
  * Part of the Joomla Framework Registry Package
  *
- * @copyright  Copyright (C) 2005 - 2018 Open Source Matters, Inc. All rights reserved.
+ * @copyright  Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
  * @license    GNU General Public License version 2 or later; see LICENSE
  */
 
@@ -67,11 +67,11 @@ class Registry implements \JsonSerializable, \ArrayAccess, \IteratorAggregate, \
 		{
 			$this->merge($data);
 		}
-		elseif (is_array($data) || is_object($data))
+		elseif (\is_array($data) || \is_object($data))
 		{
 			$this->bindData($this->data, $data);
 		}
-		elseif (!empty($data) && is_string($data))
+		elseif (!empty($data) && \is_string($data))
 		{
 			$this->loadString($data);
 		}
@@ -106,12 +106,12 @@ class Registry implements \JsonSerializable, \ArrayAccess, \IteratorAggregate, \
 	 *
 	 * @return  integer  The custom count as an integer.
 	 *
-	 * @link    https://secure.php.net/manual/en/countable.count.php
+	 * @link    https://www.php.net/manual/en/countable.count.php
 	 * @since   1.3.0
 	 */
 	public function count()
 	{
-		return count(get_object_vars($this->data));
+		return \count(get_object_vars($this->data));
 	}
 
 	/**
@@ -173,10 +173,11 @@ class Registry implements \JsonSerializable, \ArrayAccess, \IteratorAggregate, \
 		// Traverse the registry to find the correct node for the result.
 		foreach ($nodes as $n)
 		{
-			if (is_array($node) && isset($node[$n]))
+			if (\is_array($node) && isset($node[$n]))
 			{
 				$node  = $node[$n];
 				$found = true;
+
 				continue;
 			}
 
@@ -225,7 +226,7 @@ class Registry implements \JsonSerializable, \ArrayAccess, \IteratorAggregate, \
 		// Traverse the registry to find the correct node for the result.
 		foreach ($nodes as $n)
 		{
-			if (is_array($node) && isset($node[$n]))
+			if (\is_array($node) && isset($node[$n]))
 			{
 				$node  = $node[$n];
 				$found = true;
@@ -510,16 +511,16 @@ class Registry implements \JsonSerializable, \ArrayAccess, \IteratorAggregate, \
 
 		if (!$nodes)
 		{
-			return null;
+			return;
 		}
 
 		// Initialize the current node to be the registry root.
 		$node = $this->data;
 
 		// Traverse the registry to find the correct node for the result.
-		for ($i = 0, $n = count($nodes) - 1; $i < $n; $i++)
+		for ($i = 0, $n = \count($nodes) - 1; $i < $n; $i++)
 		{
-			if (is_object($node))
+			if (\is_object($node))
 			{
 				if (!isset($node->{$nodes[$i]}) && ($i !== $n))
 				{
@@ -532,7 +533,7 @@ class Registry implements \JsonSerializable, \ArrayAccess, \IteratorAggregate, \
 				continue;
 			}
 
-			if (is_array($node))
+			if (\is_array($node))
 			{
 				if (($i !== $n) && !isset($node[$nodes[$i]]))
 				{
@@ -547,16 +548,19 @@ class Registry implements \JsonSerializable, \ArrayAccess, \IteratorAggregate, \
 		// Get the old value if exists so we can return it
 		switch (true)
 		{
-			case (is_object($node)):
+			case \is_object($node):
 				$result = $node->{$nodes[$i]} = $value;
+
 				break;
 
-			case (is_array($node)):
+			case \is_array($node):
 				$result = $node[$nodes[$i]] = $value;
+
 				break;
 
 			default:
 				$result = null;
+
 				break;
 		}
 
@@ -591,9 +595,9 @@ class Registry implements \JsonSerializable, \ArrayAccess, \IteratorAggregate, \
 
 			// Traverse the registry to find the correct node for the result.
 			// TODO Create a new private method from part of code below, as it is almost equal to 'set' method
-			for ($i = 0, $n = count($nodes) - 1; $i <= $n; $i++)
+			for ($i = 0, $n = \count($nodes) - 1; $i <= $n; $i++)
 			{
-				if (is_object($node))
+				if (\is_object($node))
 				{
 					if (!isset($node->{$nodes[$i]}) && ($i !== $n))
 					{
@@ -603,7 +607,7 @@ class Registry implements \JsonSerializable, \ArrayAccess, \IteratorAggregate, \
 					// Pass the child as pointer in case it is an array
 					$node = &$node->{$nodes[$i]};
 				}
-				elseif (is_array($node))
+				elseif (\is_array($node))
 				{
 					if (($i !== $n) && !isset($node[$nodes[$i]]))
 					{
@@ -615,9 +619,9 @@ class Registry implements \JsonSerializable, \ArrayAccess, \IteratorAggregate, \
 				}
 			}
 
-			if (!is_array($node))
-				// Convert the node to array to make append possible
+			if (!\is_array($node))
 			{
+				// Convert the node to array to make append possible
 				$node = get_object_vars($node);
 			}
 
@@ -658,7 +662,7 @@ class Registry implements \JsonSerializable, \ArrayAccess, \IteratorAggregate, \
 
 		if (!$nodes)
 		{
-			return null;
+			return;
 		}
 
 		// Initialize the current node to be the registry root.
@@ -666,9 +670,9 @@ class Registry implements \JsonSerializable, \ArrayAccess, \IteratorAggregate, \
 		$parent = null;
 
 		// Traverse the registry to find the correct node for the result.
-		for ($i = 0, $n = count($nodes) - 1; $i < $n; $i++)
+		for ($i = 0, $n = \count($nodes) - 1; $i < $n; $i++)
 		{
-			if (is_object($node))
+			if (\is_object($node))
 			{
 				if (!isset($node->{$nodes[$i]}) && ($i !== $n))
 				{
@@ -681,7 +685,7 @@ class Registry implements \JsonSerializable, \ArrayAccess, \IteratorAggregate, \
 				continue;
 			}
 
-			if (is_array($node))
+			if (\is_array($node))
 			{
 				if (($i !== $n) && !isset($node[$nodes[$i]]))
 				{
@@ -698,18 +702,21 @@ class Registry implements \JsonSerializable, \ArrayAccess, \IteratorAggregate, \
 		// Get the old value if exists so we can return it
 		switch (true)
 		{
-			case (is_object($node)):
+			case \is_object($node):
 				$result = isset($node->{$nodes[$i]}) ? $node->{$nodes[$i]} : null;
 				unset($parent->{$nodes[$i]});
+
 				break;
 
-			case (is_array($node)):
+			case \is_array($node):
 				$result = isset($node[$nodes[$i]]) ? $node[$nodes[$i]] : null;
 				unset($parent[$nodes[$i]]);
+
 				break;
 
 			default:
 				$result = null;
+
 				break;
 		}
 
@@ -776,7 +783,7 @@ class Registry implements \JsonSerializable, \ArrayAccess, \IteratorAggregate, \
 		$this->initialized = true;
 
 		// Ensure the input data is an array.
-		$data = is_object($data) ? get_object_vars($data) : (array) $data;
+		$data = \is_object($data) ? get_object_vars($data) : (array) $data;
 
 		foreach ($data as $k => $v)
 		{
@@ -785,7 +792,7 @@ class Registry implements \JsonSerializable, \ArrayAccess, \IteratorAggregate, \
 				continue;
 			}
 
-			if ($recursive && ((is_array($v) && ArrayHelper::isAssociative($v)) || is_object($v)))
+			if ($recursive && ((\is_array($v) && ArrayHelper::isAssociative($v)) || \is_object($v)))
 			{
 				if (!isset($parent->$k))
 				{
@@ -814,14 +821,14 @@ class Registry implements \JsonSerializable, \ArrayAccess, \IteratorAggregate, \
 	{
 		$array = array();
 
-		if (is_object($data))
+		if (\is_object($data))
 		{
 			$data = get_object_vars($data);
 		}
 
 		foreach ($data as $k => $v)
 		{
-			if (is_object($v) || is_array($v))
+			if (\is_object($v) || \is_array($v))
 			{
 				$array[$k] = $this->asArray($v);
 
@@ -882,7 +889,7 @@ class Registry implements \JsonSerializable, \ArrayAccess, \IteratorAggregate, \
 		{
 			$key = $prefix ? $prefix . $separator . $k : $k;
 
-			if (is_object($v) || is_array($v))
+			if (\is_object($v) || \is_array($v))
 			{
 				$this->toFlatten($separator, $v, $array, $key);
 
diff --git a/libraries/vendor/joomla/string/src/Inflector.php b/libraries/vendor/joomla/string/src/Inflector.php
index 746ad9eac13..4eef7c54c54 100644
--- a/libraries/vendor/joomla/string/src/Inflector.php
+++ b/libraries/vendor/joomla/string/src/Inflector.php
@@ -2,7 +2,7 @@
 /**
  * Part of the Joomla Framework String Package
  *
- * @copyright  Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
+ * @copyright  Copyright (C) 2005 - 2020 Open Source Matters, Inc. All rights reserved.
  * @license    GNU General Public License version 2 or later; see LICENSE
  */
 
diff --git a/libraries/vendor/joomla/string/src/Normalise.php b/libraries/vendor/joomla/string/src/Normalise.php
index 472963749f1..cfd0f6c1d50 100644
--- a/libraries/vendor/joomla/string/src/Normalise.php
+++ b/libraries/vendor/joomla/string/src/Normalise.php
@@ -2,7 +2,7 @@
 /**
  * Part of the Joomla Framework String Package
  *
- * @copyright  Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
+ * @copyright  Copyright (C) 2005 - 2020 Open Source Matters, Inc. All rights reserved.
  * @license    GNU General Public License version 2 or later; see LICENSE
  */
 
diff --git a/libraries/vendor/joomla/string/src/String.php b/libraries/vendor/joomla/string/src/String.php
index 743838cac30..5aa3ab63add 100644
--- a/libraries/vendor/joomla/string/src/String.php
+++ b/libraries/vendor/joomla/string/src/String.php
@@ -2,7 +2,7 @@
 /**
  * Part of the Joomla Framework String Package
  *
- * @copyright  Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
+ * @copyright  Copyright (C) 2005 - 2020 Open Source Matters, Inc. All rights reserved.
  * @license    GNU General Public License version 2 or later; see LICENSE
  */
 
diff --git a/libraries/vendor/joomla/string/src/StringHelper.php b/libraries/vendor/joomla/string/src/StringHelper.php
index 88797342100..85b676c3f5d 100644
--- a/libraries/vendor/joomla/string/src/StringHelper.php
+++ b/libraries/vendor/joomla/string/src/StringHelper.php
@@ -2,7 +2,7 @@
 /**
  * Part of the Joomla Framework String Package
  *
- * @copyright  Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
+ * @copyright  Copyright (C) 2005 - 2020 Open Source Matters, Inc. All rights reserved.
  * @license    GNU General Public License version 2 or later; see LICENSE
  */
 
diff --git a/libraries/vendor/joomla/string/src/phputf8/utils/unicode.php b/libraries/vendor/joomla/string/src/phputf8/utils/unicode.php
index 2d561f3c2c4..452b186e985 100644
--- a/libraries/vendor/joomla/string/src/phputf8/utils/unicode.php
+++ b/libraries/vendor/joomla/string/src/phputf8/utils/unicode.php
@@ -24,6 +24,12 @@
 * and raises a PHP error at level E_USER_WARNING
 * Note: this function has been modified slightly in this library to
 * trigger errors on encountering bad bytes
+*
+* Joomla modification - As of PHP 7.4, curly brace access has been deprecated. As a result this function has been
+* modified to use square brace syntax
+* See https://github.com/php/php-src/commit/d574df63dc375f5fc9202ce5afde23f866b6450a
+* for additional references
+*
 * @author <hsivonen@iki.fi>
 * @param string UTF-8 encoded string
 * @return mixed array of unicode code points or FALSE if UTF-8 invalid
@@ -43,7 +49,7 @@ function utf8_to_unicode($str) {
 
     for($i = 0; $i < $len; $i++) {
 
-        $in = ord($str{$i});
+        $in = ord($str[$i]);
 
         if ( $mState == 0) {
 
diff --git a/libraries/vendor/psr/log/Psr/Log/LoggerInterface.php b/libraries/vendor/psr/log/Psr/Log/LoggerInterface.php
index e695046e30f..2206cfde41a 100644
--- a/libraries/vendor/psr/log/Psr/Log/LoggerInterface.php
+++ b/libraries/vendor/psr/log/Psr/Log/LoggerInterface.php
@@ -22,8 +22,8 @@ interface LoggerInterface
     /**
      * System is unusable.
      *
-     * @param string $message
-     * @param array  $context
+     * @param string  $message
+     * @param mixed[] $context
      *
      * @return void
      */
@@ -35,8 +35,8 @@ interface LoggerInterface
      * Example: Entire website down, database unavailable, etc. This should
      * trigger the SMS alerts and wake you up.
      *
-     * @param string $message
-     * @param array  $context
+     * @param string  $message
+     * @param mixed[] $context
      *
      * @return void
      */
@@ -47,8 +47,8 @@ interface LoggerInterface
      *
      * Example: Application component unavailable, unexpected exception.
      *
-     * @param string $message
-     * @param array  $context
+     * @param string  $message
+     * @param mixed[] $context
      *
      * @return void
      */
@@ -58,8 +58,8 @@ interface LoggerInterface
      * Runtime errors that do not require immediate action but should typically
      * be logged and monitored.
      *
-     * @param string $message
-     * @param array  $context
+     * @param string  $message
+     * @param mixed[] $context
      *
      * @return void
      */
@@ -71,8 +71,8 @@ interface LoggerInterface
      * Example: Use of deprecated APIs, poor use of an API, undesirable things
      * that are not necessarily wrong.
      *
-     * @param string $message
-     * @param array  $context
+     * @param string  $message
+     * @param mixed[] $context
      *
      * @return void
      */
@@ -81,8 +81,8 @@ interface LoggerInterface
     /**
      * Normal but significant events.
      *
-     * @param string $message
-     * @param array  $context
+     * @param string  $message
+     * @param mixed[] $context
      *
      * @return void
      */
@@ -93,8 +93,8 @@ interface LoggerInterface
      *
      * Example: User logs in, SQL logs.
      *
-     * @param string $message
-     * @param array  $context
+     * @param string  $message
+     * @param mixed[] $context
      *
      * @return void
      */
@@ -103,8 +103,8 @@ interface LoggerInterface
     /**
      * Detailed debug information.
      *
-     * @param string $message
-     * @param array  $context
+     * @param string  $message
+     * @param mixed[] $context
      *
      * @return void
      */
@@ -113,9 +113,9 @@ interface LoggerInterface
     /**
      * Logs with an arbitrary level.
      *
-     * @param mixed  $level
-     * @param string $message
-     * @param array  $context
+     * @param mixed   $level
+     * @param string  $message
+     * @param mixed[] $context
      *
      * @return void
      *
diff --git a/libraries/vendor/symfony/polyfill-ctype/bootstrap.php b/libraries/vendor/symfony/polyfill-ctype/bootstrap.php
index 14d1d0faa37..8d6fc4becca 100644
--- a/libraries/vendor/symfony/polyfill-ctype/bootstrap.php
+++ b/libraries/vendor/symfony/polyfill-ctype/bootstrap.php
@@ -13,14 +13,34 @@ use Symfony\Polyfill\Ctype as p;
 
 if (!function_exists('ctype_alnum')) {
     function ctype_alnum($text) { return p\Ctype::ctype_alnum($text); }
+}
+if (!function_exists('ctype_alpha')) {
     function ctype_alpha($text) { return p\Ctype::ctype_alpha($text); }
+}
+if (!function_exists('ctype_cntrl')) {
     function ctype_cntrl($text) { return p\Ctype::ctype_cntrl($text); }
+}
+if (!function_exists('ctype_digit')) {
     function ctype_digit($text) { return p\Ctype::ctype_digit($text); }
+}
+if (!function_exists('ctype_graph')) {
     function ctype_graph($text) { return p\Ctype::ctype_graph($text); }
+}
+if (!function_exists('ctype_lower')) {
     function ctype_lower($text) { return p\Ctype::ctype_lower($text); }
+}
+if (!function_exists('ctype_print')) {
     function ctype_print($text) { return p\Ctype::ctype_print($text); }
+}
+if (!function_exists('ctype_punct')) {
     function ctype_punct($text) { return p\Ctype::ctype_punct($text); }
+}
+if (!function_exists('ctype_space')) {
     function ctype_space($text) { return p\Ctype::ctype_space($text); }
+}
+if (!function_exists('ctype_upper')) {
     function ctype_upper($text) { return p\Ctype::ctype_upper($text); }
+}
+if (!function_exists('ctype_xdigit')) {
     function ctype_xdigit($text) { return p\Ctype::ctype_xdigit($text); }
 }
diff --git a/libraries/vendor/symfony/polyfill-php55/Php55.php b/libraries/vendor/symfony/polyfill-php55/Php55.php
index f5cb4834741..46438a10528 100644
--- a/libraries/vendor/symfony/polyfill-php55/Php55.php
+++ b/libraries/vendor/symfony/polyfill-php55/Php55.php
@@ -43,6 +43,7 @@ final class Php55
         // Pre-hash for optimization if password length > hash length
         $hashLength = \strlen(hash($algorithm, '', true));
         switch ($algorithm) {
+            case 'sha1':
             case 'sha224':
             case 'sha256':
                 $blockSize = 64;
diff --git a/libraries/vendor/symfony/polyfill-php55/bootstrap.php b/libraries/vendor/symfony/polyfill-php55/bootstrap.php
index 5e634feb04a..f6942b83b45 100644
--- a/libraries/vendor/symfony/polyfill-php55/bootstrap.php
+++ b/libraries/vendor/symfony/polyfill-php55/bootstrap.php
@@ -11,17 +11,19 @@
 
 use Symfony\Polyfill\Php55 as p;
 
-if (PHP_VERSION_ID < 50500) {
-    if (!function_exists('boolval')) {
-        function boolval($val) { return p\Php55::boolval($val); }
-    }
-    if (!function_exists('json_last_error_msg')) {
-        function json_last_error_msg() { return p\Php55::json_last_error_msg(); }
-    }
-    if (!function_exists('array_column')) {
-        function array_column($array, $columnKey, $indexKey = null) { return p\Php55ArrayColumn::array_column($array, $columnKey, $indexKey); }
-    }
-    if (!function_exists('hash_pbkdf2')) {
-        function hash_pbkdf2($algorithm, $password, $salt, $iterations, $length = 0, $rawOutput = false) { return p\Php55::hash_pbkdf2($algorithm, $password, $salt, $iterations, $length, $rawOutput); }
-    }
+if (PHP_VERSION_ID >= 50500) {
+    return;
+}
+
+if (!function_exists('boolval')) {
+    function boolval($val) { return p\Php55::boolval($val); }
+}
+if (!function_exists('json_last_error_msg')) {
+    function json_last_error_msg() { return p\Php55::json_last_error_msg(); }
+}
+if (!function_exists('array_column')) {
+    function array_column($array, $columnKey, $indexKey = null) { return p\Php55ArrayColumn::array_column($array, $columnKey, $indexKey); }
+}
+if (!function_exists('hash_pbkdf2')) {
+    function hash_pbkdf2($algorithm, $password, $salt, $iterations, $length = 0, $rawOutput = false) { return p\Php55::hash_pbkdf2($algorithm, $password, $salt, $iterations, $length, $rawOutput); }
 }
diff --git a/libraries/vendor/symfony/polyfill-php56/bootstrap.php b/libraries/vendor/symfony/polyfill-php56/bootstrap.php
index 587c2a81c52..427dd2e4c8e 100644
--- a/libraries/vendor/symfony/polyfill-php56/bootstrap.php
+++ b/libraries/vendor/symfony/polyfill-php56/bootstrap.php
@@ -11,28 +11,34 @@
 
 use Symfony\Polyfill\Php56 as p;
 
-if (PHP_VERSION_ID < 50600) {
-    if (!function_exists('hash_equals')) {
-        function hash_equals($knownString, $userInput) { return p\Php56::hash_equals($knownString, $userInput); }
-    }
-    if (extension_loaded('ldap') && !function_exists('ldap_escape')) {
-        define('LDAP_ESCAPE_FILTER', 1);
-        define('LDAP_ESCAPE_DN', 2);
+if (PHP_VERSION_ID >= 50600) {
+    return;
+}
 
-        function ldap_escape($subject, $ignore = '', $flags = 0) { return p\Php56::ldap_escape($subject, $ignore, $flags); }
-    }
+if (!function_exists('hash_equals')) {
+    function hash_equals($knownString, $userInput) { return p\Php56::hash_equals($knownString, $userInput); }
+}
+if (extension_loaded('ldap') && !defined('LDAP_ESCAPE_FILTER')) {
+    define('LDAP_ESCAPE_FILTER', 1);
+}
+if (extension_loaded('ldap') && !defined('LDAP_ESCAPE_DN')) {
+    define('LDAP_ESCAPE_DN', 2);
+}
 
-    if (50509 === PHP_VERSION_ID && 4 === PHP_INT_SIZE) {
-        // Missing functions in PHP 5.5.9 - affects 32 bit builds of Ubuntu 14.04LTS
-        // See https://bugs.launchpad.net/ubuntu/+source/php5/+bug/1315888
-        if (!function_exists('gzopen') && function_exists('gzopen64')) {
-            function gzopen($filename, $mode, $use_include_path = 0) { return gzopen64($filename, $mode, $use_include_path); }
-        }
-        if (!function_exists('gzseek') && function_exists('gzseek64')) {
-            function gzseek($zp, $offset, $whence = SEEK_SET) { return gzseek64($zp, $offset, $whence); }
-        }
-        if (!function_exists('gztell') && function_exists('gztell64')) {
-            function gztell($zp) { return gztell64($zp); }
-        }
+if (extension_loaded('ldap') && !function_exists('ldap_escape')) {
+    function ldap_escape($subject, $ignore = '', $flags = 0) { return p\Php56::ldap_escape($subject, $ignore, $flags); }
+}
+
+if (50509 === PHP_VERSION_ID && 4 === PHP_INT_SIZE) {
+    // Missing functions in PHP 5.5.9 - affects 32 bit builds of Ubuntu 14.04LTS
+    // See https://bugs.launchpad.net/ubuntu/+source/php5/+bug/1315888
+    if (!function_exists('gzopen') && function_exists('gzopen64')) {
+        function gzopen($filename, $mode, $use_include_path = 0) { return gzopen64($filename, $mode, $use_include_path); }
+    }
+    if (!function_exists('gzseek') && function_exists('gzseek64')) {
+        function gzseek($zp, $offset, $whence = SEEK_SET) { return gzseek64($zp, $offset, $whence); }
+    }
+    if (!function_exists('gztell') && function_exists('gztell64')) {
+        function gztell($zp) { return gztell64($zp); }
     }
 }
diff --git a/libraries/vendor/symfony/polyfill-php71/bootstrap.php b/libraries/vendor/symfony/polyfill-php71/bootstrap.php
index 01514a59d1b..2037290efcb 100644
--- a/libraries/vendor/symfony/polyfill-php71/bootstrap.php
+++ b/libraries/vendor/symfony/polyfill-php71/bootstrap.php
@@ -11,8 +11,6 @@
 
 use Symfony\Polyfill\Php71 as p;
 
-if (PHP_VERSION_ID < 70100) {
-    if (!function_exists('is_iterable')) {
-        function is_iterable($var) { return p\Php71::is_iterable($var); }
-    }
+if (!function_exists('is_iterable')) {
+    function is_iterable($var) { return p\Php71::is_iterable($var); }
 }
diff --git a/libraries/vendor/symfony/polyfill-php73/bootstrap.php b/libraries/vendor/symfony/polyfill-php73/bootstrap.php
index 4c3f44f6bf8..b3ec352af27 100644
--- a/libraries/vendor/symfony/polyfill-php73/bootstrap.php
+++ b/libraries/vendor/symfony/polyfill-php73/bootstrap.php
@@ -11,22 +11,21 @@
 
 use Symfony\Polyfill\Php73 as p;
 
-if (PHP_VERSION_ID < 70300) {
-    if (!function_exists('is_countable')) {
-        function is_countable($var) { return is_array($var) || $var instanceof Countable || $var instanceof ResourceBundle || $var instanceof SimpleXmlElement; }
-    }
-
-    if (!function_exists('hrtime')) {
-        require_once __DIR__.'/Php73.php';
-        p\Php73::$startAt = (int) microtime(true);
-        function hrtime($asNum = false) { return p\Php73::hrtime($asNum); }
-    }
-
-    if (!function_exists('array_key_first')) {
-        function array_key_first(array $array) { foreach ($array as $key => $value) { return $key; } }
-    }
-
-    if (!function_exists('array_key_last')) {
-        function array_key_last(array $array) { end($array); return key($array); }
-    }
+if (PHP_VERSION_ID >= 70300) {
+    return;
+}
+
+if (!function_exists('is_countable')) {
+    function is_countable($var) { return is_array($var) || $var instanceof Countable || $var instanceof ResourceBundle || $var instanceof SimpleXmlElement; }
+}
+if (!function_exists('hrtime')) {
+    require_once __DIR__.'/Php73.php';
+    p\Php73::$startAt = (int) microtime(true);
+    function hrtime($asNum = false) { return p\Php73::hrtime($asNum); }
+}
+if (!function_exists('array_key_first')) {
+    function array_key_first(array $array) { foreach ($array as $key => $value) { return $key; } }
+}
+if (!function_exists('array_key_last')) {
+    function array_key_last(array $array) { end($array); return key($array); }
 }
diff --git a/libraries/vendor/typo3/phar-stream-wrapper/composer.json b/libraries/vendor/typo3/phar-stream-wrapper/composer.json
index e36b09e7a50..755a65f0ba6 100644
--- a/libraries/vendor/typo3/phar-stream-wrapper/composer.json
+++ b/libraries/vendor/typo3/phar-stream-wrapper/composer.json
@@ -6,9 +6,9 @@
     "homepage": "https://typo3.org/",
     "keywords": ["php", "phar", "stream-wrapper", "security"],
     "require": {
-        "php": "^5.3.3|^7.0",
+        "php": "^5.3.3 || ^7.0",
         "ext-json": "*",
-        "brumann/polyfill-unserialize": "^1.0"
+        "brumann/polyfill-unserialize": "^1.0 || ^2.0"
     },
     "require-dev": {
         "ext-xdebug": "*",
diff --git a/libraries/vendor/typo3/phar-stream-wrapper/src/Helper.php b/libraries/vendor/typo3/phar-stream-wrapper/src/Helper.php
index cdba65ca281..72d8444b57c 100644
--- a/libraries/vendor/typo3/phar-stream-wrapper/src/Helper.php
+++ b/libraries/vendor/typo3/phar-stream-wrapper/src/Helper.php
@@ -31,9 +31,9 @@ class Helper
         if (function_exists('opcache_reset')
             && function_exists('opcache_get_status')
         ) {
-            $status = opcache_get_status();
+            $status = @opcache_get_status();
             if (!empty($status['opcache_enabled'])) {
-                opcache_reset();
+                @opcache_reset();
             }
         }
     }
@@ -196,4 +196,4 @@ class Helper
     {
         return stripos(PHP_OS, 'WIN') === 0;
     }
-}
\ No newline at end of file
+}