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run code in 150+ php & hhvm versions
Bugs & Features
<?php class MyClass { private static $instance = null; private $my_value = 'Foo'; public function __construct() { } public static function my_function() { if ( !isset(self::$instance) ) self::$instance = new self; if( isset( $this ) ) { $target = $this; // I know its an invalid declaration } else { $target = self::$instance; // I know its an invalid declaration } return $target->my_value; // Invalid statement } } $my_object = new MyClass(); echo $my_object->my_function()."\n"; echo MyClass::my_function();
Output for 5.0.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Foo Foo
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/TEQtR on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/TEQtR on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/TEQtR on line 4
Process exited with code 255.