[Symfony] Add use_strict_mode removal

config/level/symfony/symfony34.yml

@@ -1,5 +1,8 @@
 services:
     # yaml
+    # covers https://github.com/symfony/symfony/pull/24523
+    Rector\Symfony\Rector\Yaml\SessionStrictTrueByDefaultYamlRector: ~
+
     Rector\YamlRector\Rector\ReplaceStringYamlRector:
         $oldToNewString:
             ' !php/object:': ' !php/object '

packages/Symfony/src/Rector/Yaml/SessionStrictTrueByDefaultYamlRector.php

@@ -0,0 +1,33 @@
+<?php declare(strict_types=1);
+
+namespace Rector\Symfony\Rector\Yaml;
+
+use Nette\Utils\Strings;
+use Rector\RectorDefinition\CodeSample;
+use Rector\RectorDefinition\RectorDefinition;
+use Rector\YamlRector\Contract\YamlRectorInterface;
+
+final class SessionStrictTrueByDefaultYamlRector implements YamlRectorInterface
+{
+    /**
+     * @var string
+     */
+    private const USE_STRICT_MODE_PATTERN = '#(^session:)(.*?)(\n +use_strict_mode: true)#s';
+
+    public function getDefinition(): RectorDefinition
+    {
+        return new RectorDefinition('session > use_strict_mode is true by default and can be removed', [
+            new CodeSample('session > use_strict_mode: true', 'session:'),
+        ]);
+    }
+
+    public function isCandidate(string $content): bool
+    {
+        return (bool) Strings::matchAll($content, self::USE_STRICT_MODE_PATTERN);
+    }
+
+    public function refactor(string $content): string
+    {
+        return Strings::replace($content, self::USE_STRICT_MODE_PATTERN, '$1$2');
+    }
+}

packages/Symfony/tests/Rector/Yaml/SessionStrictTrueByDefaultYamlRector/Correct/correct.yml

@@ -0,0 +1,2 @@
+session:
+    another: option

packages/Symfony/tests/Rector/Yaml/SessionStrictTrueByDefaultYamlRector/SessionStrictTrueByDefaultYamlRectorTest.php

@@ -0,0 +1,30 @@
+<?php declare(strict_types=1);
+
+namespace Rector\Symfony\Tests\Yaml\SessionStrictTrueByDefaultYamlRector;
+
+use Iterator;
+use Rector\YamlRector\Tests\AbstractYamlRectorTest;
+
+/**
+ * @covers \Rector\Symfony\Rector\Yaml\SessionStrictTrueByDefaultYamlRector
+ */
+final class SessionStrictTrueByDefaultYamlRectorTest extends AbstractYamlRectorTest
+{
+    /**
+     * @dataProvider provideWrongToFixedFiles()
+     */
+    public function test(string $wrong, string $fixed): void
+    {
+        $this->doTestFileMatchesExpectedContent($wrong, $fixed);
+    }
+
+    public function provideWrongToFixedFiles(): Iterator
+    {
+        yield [__DIR__ . '/Wrong/wrong.yml', __DIR__ . '/Correct/correct.yml'];
+    }
+
+    protected function provideConfig(): string
+    {
+        return __DIR__ . '/config.yml';
+    }
+}

packages/Symfony/tests/Rector/Yaml/SessionStrictTrueByDefaultYamlRector/Wrong/wrong.yml

@@ -0,0 +1,3 @@
+session:
+    another: option
+    use_strict_mode: true

packages/Symfony/tests/Rector/Yaml/SessionStrictTrueByDefaultYamlRector/config.yml

@@ -0,0 +1,4 @@
+services:
+    Rector\Symfony\Rector\Yaml\SessionStrictTrueByDefaultYamlRector: ~
+
+    # covers https://github.com/symfony/symfony/pull/24523