mirror of
https://github.com/namibia/awesome-cheatsheets.git
synced 2024-11-28 15:56:36 +00:00
369 lines
7.8 KiB
PHP
369 lines
7.8 KiB
PHP
<?php
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// Exit the file, string inside get's echo'ed
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die("This file is not ment to be ran. ¯\_(ツ)_/¯");
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exit("This file is not ment to be ran. ¯\_(ツ)_/¯");
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/**
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* Printing
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*/
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echo ""; // Print a string or type that can be made into a string(I.E int, float).
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print_r($arr); // Print anything, with type hints for array's and object's
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var_dump($arr); // Print anything, with type hints for any value and sizes
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/**
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* Declaring an Array
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*/
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// Indexed Array
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$arr = array("John", "Doe", "Lorem", "Ipsum");
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// Associative Array
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$arr = array("John"=>"10", "Doe"=>"200", "Doe"=>"3000", "Ipsum"=>"40000");
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// Multidimensional Arrays
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$arr = array (
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array("John",100,180),
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array("Doe",150,130),
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array("Lorem",500,200),
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array("Ipsum",170,150)
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);
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/**
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* Sorting an Array
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*/
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sort($arr); // Sort arrays in ascending order.
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rsort($arr); // Sort arrays in descending order.
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asort($arr); // Sort associative arrays in ascending order, according to the value.
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ksort($arr); // Sort associative arrays in ascending order, according to the key.
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arsort($arr); // Sort associative arrays in descending order, according to the value.
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krsort($arr); // Sort associative arrays in descending order, according to the key.
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/**
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* Ways of looping
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*/
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continue; // Skip current iter
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break; // Exit loop
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// Foreach
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foreach($arr as $key => $value) {
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$key = $key;
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$value = $value;
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}
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// For
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for($i = 0; $i < count($arr); $i++) {
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$key = $i;
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$value = $arr[$i];
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}
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// While
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$i = 0;
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while($i < count($arr) - 1) {
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$key = $i;
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$value = $arr[$i];
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}
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// Do while
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$i = 0;
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do {
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$key = $i;
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$value = $arr[$i];
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} while($i < count($arr));
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// Switch
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switch($arr) {
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case 1:
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break;
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case 2:
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break;
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case 3:
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break;
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default:
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}
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/**
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* Global variables
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* http://php.net/manual/en/language.variables.superglobals.php
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*/
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$_SERVER; // SERVER variables
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$_GET; // Query params
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$_POST; // Post fields
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$_REQUEST; // GET and POST together
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$GLOBALS; // Array of global variables
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$_SESSION; // Browser session
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$_FILES; // Array of files that are sent in request
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$_COOKIE; // Array of cookies sent in request
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$_ENV; // php.ini options
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$argv; // Array of terminal arguments (filename included)
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$argc; // Number of arguments passed into terminal
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/**
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* Class
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* http://php.net/manual/en/language.oop5.basic.php
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*/
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class NormalClass extends AbstractClassName implements InterfaceName
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{
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use TraitName;
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// --> PROPERTY TYPES <--
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/**
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* Public property, everyone can access this property.
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* @var Type
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*/
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public $property;
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/**
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* Private property, only this instance can access this property.
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* @var Type
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*/
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private $property;
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/**
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* Protected property, this instance and childs can access this property.
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* @var Type
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*/
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protected $property;
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/**
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* Static property, is the same for all instances of this class.
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* @var Type
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*/
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static $property;
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// --> FUNCTION TYPES <--
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/**
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* Public function, everyone can access this function.
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* @param Type
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* @return Type
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*/
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public function publicFunction(Type $var = null): Type
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{
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}
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/**
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* Private function, only this instance can access this function.
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* @param Type
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* @return Type
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*/
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private function privateFunction(Type $var = null): Type
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{
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}
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/**
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* Protected function, this instance and childs can access this function.
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* @param Type
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* @return Type
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*/
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protected function protectedFunction(Type $var = null): Type
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{
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}
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/**
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* Static function, doesn't need an instance to be executed.
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* @param Type
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* @return Type
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*/
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public static function staticFunction(Type $var = null): Type
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{
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}
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// --> MAGIC METHODS <--
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/**
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* Gets triggered on creating a new class instance
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* http://php.net/manual/en/language.oop5.decon.php
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* @param Type
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* @return void
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*/
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public function __construct(Type $var = null)
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{
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}
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/**
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* Gets triggered on destruction of a class instance
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* http://php.net/manual/en/language.oop5.decon.php
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* @return void
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*/
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public function __destruct()
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{
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}
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/**
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* __set() is run when writing data to inaccessible properties.
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* http://php.net/manual/en/language.oop5.overloading.php
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* @param string name
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* @param mixed value
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* @return void
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*/
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public function __set(string $name , mixed $value)
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{
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}
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/**
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* __get() is utilized for reading data from inaccessible properties.
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* http://php.net/manual/en/language.oop5.overloading.php
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* @param string name
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* @return mixed
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*/
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public function __get(string $name)
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{
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}
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/**
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* __isset() is triggered by calling isset() or empty() on inaccessible properties.
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* http://php.net/manual/en/language.oop5.overloading.php
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* @param string name
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* @return bool
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*/
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public function __isset(string $name)
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{
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}
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/**
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* __unset() is invoked when unset() is used on inaccessible properties.
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* http://php.net/manual/en/language.oop5.overloading.php
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* @param string name
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* @return void
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*/
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public function __unset(string $name)
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{
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}
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/**
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* __call is triggered when invoking inaccessible methods in an object context.
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* http://php.net/manual/en/language.oop5.overloading.php
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* @param string name
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* @param array arguments
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* @return mixed
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*/
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public function __call(string $name, array $arguments)
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{
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}
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/**
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* __callStatic() is triggered when invoking inaccessible methods in a static context.
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* http://php.net/manual/en/language.oop5.overloading.php
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* @param string name
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* @param array arguments
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* @return mixed
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*/
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public static function __callStatic(string $name, array $arguments)
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{
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}
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/**
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* http://php.net/manual/en/language.oop5.magic.php
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* @return array
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*/
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public function __sleep()
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{
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}
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/**
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* http://php.net/manual/en/language.oop5.magic.php
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* @return void
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*/
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public function __wakeup()
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{
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}
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/**
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* http://php.net/manual/en/language.oop5.magic.php
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* @return string
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*/
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public function __toString()
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{
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}
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/**
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* http://php.net/manual/en/language.oop5.magic.php
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* @param Type
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* @return mixed
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*/
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public function __invoke(Type $var = null)
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{
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}
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/**
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* http://php.net/manual/en/language.oop5.magic.php
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* @param array properties
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* @return object
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*/
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public static function __set_state(array $properties)
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{
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}
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/**
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* http://php.net/manual/en/language.oop5.magic.php
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* @return array
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*/
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public function __debugInfo()
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{
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}
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}
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/**
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* Every class that has implemented this interface need to have the same functions.
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*/
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interface InterfaceName
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{
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public function FunctionName(Type $var = null): Type;
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}
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/**
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* Combination of class and interface.
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*/
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abstract class AbstractClassName
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{
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/**
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* Classes extending this abstract class need to have this function.
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* @param Type
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* @return Type
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*/
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abstract function abstractFunction(Type $var = null): Type;
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}
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/**
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* Basic Implementation of LoggerAwareInterface.
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* @see https://github.com/php-fig/log/blob/master/Psr/Log/LoggerAwareTrait.php
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*/
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trait LoggerAwareTrait
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{
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/**
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* The logger instance.
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*
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* @var LoggerInterface
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*/
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protected $logger;
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/**
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* Sets a logger.
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*
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* @param LoggerInterface $logger
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*/
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public function setLogger(LoggerInterface $logger)
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{
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$this->logger = $logger;
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}
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}
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/**
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* Example with use of LoggerAwareTrait.
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*/
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class ClassWithLogger
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{
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/**
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* Use the LoggerAwareTrait in this class.
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*/
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use LoggerAwareTrait;
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}
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