Online PHP editor | rfc for ioqu6

@ 2013-04-09T11:21:30Z

<?php

function call_user_func_fixed()
{
    // Not much point in writing all that logic out twice, just require that both fixer functions are present
    $args = func_get_args();
    $callable = array_shift($args);

    return call_user_func_array_fixed($callable, $args);
}

function call_user_func_array_fixed($callable, $args)
{
    var_dump(debug_backtrace());
    $isStaticMethod = false;

    // Normalize the $callable and see if it looks like a static method
    if (is_object($callable) && $callable instanceof Closure) {
        $func = $callable;
    } else if (is_string($callable)) {
        $expr = '/^([a-z_\x7f-\xff][\w\x7f-\xff]*)::([a-z_\x7f-\xff][\w\x7f-\xff]*)$/i';
        if (preg_match($expr, $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 it's not a valid callable give up here
    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 it's not a static method use the regular mechanism
    if (!$isStaticMethod) {
        return call_user_func_array($func, $args);
    }

    // Get a reference to the static method if possible
    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;
    }

    // Invoke the method with the passed arguments and return the result
    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 git.master, git.master_jit, rfc.property-hooks: array(3) { [0]=> array(4) { ["file"]=> string(9) "/in/ioqu6" ["line"]=> int(9) ["function"]=> string(26) "call_user_func_array_fixed" ["args"]=> array(2) { [0]=> string(15) "Toyota::getName" [1]=> array(0) { } } } [1]=> array(4) { ["file"]=> string(9) "/in/ioqu6" ["line"]=> int(63) ["function"]=> string(20) "call_user_func_fixed" ["args"]=> array(1) { [0]=> string(15) "Toyota::getName" } } [2]=> array(7) { ["file"]=> string(9) "/in/ioqu6" ["line"]=> int(77) ["function"]=> string(3) "run" ["class"]=> string(3) "Car" ["object"]=> object(Car)#1 (0) { } ["type"]=> string(2) "->" ["args"]=> array(0) { } } } Toyotaarray(3) { [0]=> array(4) { ["file"]=> string(9) "/in/ioqu6" ["line"]=> int(9) ["function"]=> string(26) "call_user_func_array_fixed" ["args"]=> array(2) { [0]=> string(15) "Toyota::getName" [1]=> array(0) { } } } [1]=> array(4) { ["file"]=> string(9) "/in/ioqu6" ["line"]=> int(63) ["function"]=> string(20) "call_user_func_fixed" ["args"]=> array(1) { [0]=> string(15) "Toyota::getName" } } [2]=> array(7) { ["file"]=> string(9) "/in/ioqu6" ["line"]=> int(80) ["function"]=> string(3) "run" ["class"]=> string(3) "Car" ["object"]=> object(Toyota)#3 (0) { } ["type"]=> string(2) "->" ["args"]=> array(0) { } } } Toyota

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