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run code in 200+ php & hhvm versions
Bugs & Features
<?php $t = function(){ var_dump($this); var_dump(get_class($this)); }; $t();die; abstract class T { static public $instanses; final private function __construct(){ } public static function getInstance() { var_dump(static::$instanses); if (!(static::$instanses instanceof static)) { static::$instanses = new static; } var_dump(static::$instanses); return static::$instanses; } } class A extends T { static public $instanses; } class B extends A { static public $instanses; } $t = A::getInstance(); var_dump($t); $t1 = B::getInstance(); var_dump($t1); new B(); ?>
based on qi1K8
Output for 7.1.0 - 7.2.0
Fatal error: Uncaught Error: Using $this when not in object context in /in/lFli5:4 Stack trace: #0 /in/lFli5(8): {closure}() #1 {main} thrown in /in/lFli5 on line 4
Process exited with code 255.
Output for 5.3.17 - 7.0.20
Notice: Undefined variable: this in /in/lFli5 on line 4 NULL Notice: Undefined variable: this in /in/lFli5 on line 5 Warning: get_class() called without object from outside a class in /in/lFli5 on line 5 bool(false)