3v4l.org

run code in 300+ PHP versions simultaneously
<?php function make() { class Foo { public static function getClass() { return function () { //return call_user_func(function () { return [__CLASS__, __METHOD__, __FUNCTION__]; //}); }; } } return new Foo(); } $foo = make(); var_dump(call_user_func($foo->getClass()));
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(3) { [0]=> string(3) "Foo" [1]=> string(9) "{closure}" [2]=> string(9) "{closure}" }
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38
array(3) { [0]=> string(3) "Foo" [1]=> string(14) "Foo::{closure}" [2]=> string(9) "{closure}" }
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/Z28pW on line 10
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/Z28pW on line 8
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/Z28pW on line 8
Process exited with code 255.
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/Z28pW on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/Z28pW on line 6
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/Z28pW on line 6
Process exited with code 255.
preferences:
215.91 ms | 401 KiB | 454 Q