3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class A { static $instance; public static function instance() { return static::$instance ?: ( static::$instance = new static() ); } public function foo() { var_dump($this); } } class B extends A { } class C extends A { static $instance; } A::instance()->foo(); B::instance()->foo(); C::instance()->foo();
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
object(A)#1 (0) { } object(A)#1 (0) { } object(C)#2 (0) { }
Output for 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_STATIC in /in/ndBqr on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STATIC in /in/ndBqr on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STATIC, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/ndBqr on line 3
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_STATIC, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/ndBqr on line 3
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/ndBqr on line 3
Process exited with code 255.