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<?php set_error_handler(function() {return false;}); $func = 'strtolower'; $invoker = function(callable $invocation, array $args) { return call_user_func_array($invocation, $args); }; var_dump($invoker($func, array('TEST')));
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 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
string(4) "test"
Output for 5.3.0 - 5.3.29
Catchable fatal error: Argument 1 passed to {closure}() must be an instance of callable, string given, called in /in/cJZ43 on line 9 and defined in /in/cJZ43 on line 6
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/cJZ43 on line 2
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, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION, expecting ')' in /in/cJZ43 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/cJZ43 on line 2
Process exited with code 255.
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