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run code in 150+ php & hhvm versions
Bugs & Features
<?php function call_user_func_fixed() { $args = func_get_args(); $callable = array_shift($args); return call_user_func_array_fixed($callable, $args); } function call_user_func_array_fixed($callable, $args) { $isStaticMethod = false; if (is_object($callable) && $callable instanceof Closure) { $func = $callable; } else if (is_string($callable)) { if (preg_match('/^([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)::([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)$/', $callable, $matches)) { $func = array($matches[1], $matches[2]); $isStaticMethod = true; } else { $func = $callable; } } else if (is_array($callable) && isset($callable[0], $callable[1]) && count($callable) === 2) { if (is_object($callable[0])) { $func = $callable; } else if (is_string($callable[0])) { $func = $callable; $isStaticMethod = true; } } if (!isset($callable) || (!$isStaticMethod && !is_callable($callable))) { trigger_error('call_user_func() expects parameter 1 to be a valid callback', E_USER_WARNING); return null; } if (!$isStaticMethod) { return call_user_func_array($func, $args); } try { $class = new ReflectionClass($func[0]); $method = $class->getMethod($func[1]); } catch (ReflectionException $e) { trigger_error('call_user_func() expects parameter 1 to be a valid callback', E_USER_WARNING); return null; } return $method->invokeArgs(null, $args); } class Car { public function run() { return call_user_func_fixed('Toyota::getName'); // should call toyota } private static function getName() { return 'Car'; } } class Toyota extends Car { public static function getName() { return 'Toyota'; } } $car = new Car(); echo $car->run(); //Car instead of Toyota $toyota = new Toyota(); echo $toyota->run(); //Car instead of Toyota
Output for 5.1.1 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
ToyotaToyota
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/Ws4V2 on line 71
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Fatal error: Call to undefined method ReflectionMethod::invokeArgs() in /in/Ws4V2 on line 49
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/Ws4V2 on line 14
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 in /in/Ws4V2 on line 14
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/Ws4V2 on line 14
Process exited with code 255.