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run code in 150+ php & hhvm versions
Bugs & Features
<?php class Foo { public function __invoke() { var_dump(func_get_args()); } } var_dump(is_callable(new Foo)); call_user_func(new Foo, 'foo');
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
bool(true) array(1) { [0]=> string(3) "foo" }
Output for 5.2.0 - 5.2.17
bool(false) Catchable fatal error: Object of class Foo could not be converted to string in /in/7U2Gi on line 12
Process exited with code 255.
Output for 5.0.0 - 5.1.6
bool(false) Notice: Object of class Foo to string conversion in /in/7U2Gi on line 12 Warning: call_user_func(Object): First argument is expected to be a valid callback in /in/7U2Gi on line 12
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/7U2Gi on line 5
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/7U2Gi on line 5
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/7U2Gi on line 5
Process exited with code 255.