3v4l.org

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; else $target = self::$instance; return $target->my_value; } } $my_object = new MyClass(); echo $my_object->my_function()."\n"; echo MyClass::my_function();
Output for 5.0.0 - 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/Zgmta 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/Zgmta 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/Zgmta on line 4
Process exited with code 255.