How to call function with args array without call_user_func_array?

Question

I need to call a function with arguments array, but call_user_func_array seems to be very slow for me. I tried to use ReflectionFunction for that (see code ex. 1), but maybe there is another methods for that? It will be perfectly, if that method supports sorted parameters (see code ex. 2)

code ex. 1

private static function call(Callable $callable, array $args) {
    if(class_exists('ReflectionFunction', false)) {
        $r = (new ReflectionFunction($callable))->invokeArgs($args);
        # ROUTES_CALLBACK_STRATEGY may be "call" or "echo"
        if(defined('ROUTES_CALLBACK_STRATEGY') && strtolower(ROUTES_CALLBACK_STRATEGY) == 'call') {
            return;
        } else {
            echo $r;
        }
    } else {
        call_user_func_array($callable, $args);
    }
}

code ex. 2

$args = array(
    'param1' => 'p1',
    'param2' => 'p2',
    'custom_name' => 'c_n'
);

$callback = function($param, $other_param, $foo) {
    echo $param . " " . $other_param . " " . $foo; // output: p1 p2 c_n
}

$callback2 = function ($custom_name, $param1, $param2) {
    echo $custom_name . " " . $param1 . " " . $param2; // output: c_n p1 p2
}

Thanks for help.

@RocketHazmat using call_user_func_array is 124% slower than calling function directly (function()), calling with ReflectionFunction is 109% slower. — Kirill Y. Danshin
– Kirill Y. Danshin, Commented Sep 28, 2015 at 19:12
Before PHP 5.6, it seems like call_user_func_array was the way to go. Not sure of any other method (other than ReflectionFunction, which I always thought was even slower). — gen_Eric
– gen_Eric, Commented Sep 28, 2015 at 19:19
@ElefantPhace thanks for your suggestion, but it's will be hard to migrate :-( — Kirill Y. Danshin
– Kirill Y. Danshin, Commented Sep 29, 2015 at 7:00

gen_Eric · Accepted Answer · 2015-09-28 19:10:16Z

1

If you are using PHP 5.6, you can use the ... operator when calling your function.

$callable(...$args);

DEMO: https://3v4l.org/5KUNA

answered Sep 28, 2015 at 19:10

gen_Eric

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1 Comment

Kirill Y. Danshin Over a year ago

great suggestion, but I need to support PHP 5.5, and many users of this on 5.3-5.5, not 5.6.

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