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run code in 300+ PHP versions simultaneously
<?php function userland_call_user_func(callable $function, ...$args) { if (! is_array($function)) { return $function(...$args); } $object = reset($function); if (is_object($object) { return (Closure::bind(function () use ($args, $function) { $function(...$args); }, $object, get_class($object))->__invoke(); } return $function(...$args); } class Test { private function foo() { echo new Exception; } public function callFoo($callfunc) { $callfunc(array($this, 'foo')); } } $o = new Test; $o->callFoo('call_user_func'); $o->callFoo('userland_call_user_func');
Output for 5.4.0 - 5.4.32
Parse error: syntax error, unexpected '.', expecting '&' or variable (T_VARIABLE) in /in/AMBBF on line 3
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '.', expecting '&' or T_VARIABLE in /in/AMBBF on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '.', expecting '&' or T_VARIABLE in /in/AMBBF on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/AMBBF on line 3
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 ')' in /in/AMBBF on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/AMBBF on line 3
Process exited with code 255.
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