src/partial.php ➔ partial()

Complexity

Conditions	2
Paths	1

Size

Total Lines	15
Code Lines	8

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	7
CRAP Score	2

Importance

Changes	3
Bugs	0	Features	1

<?php
function partial(callable $fn /* ...$args */)
{
    $args = tail(func_get_args());
    $numRequiredParams = (new \ReflectionFunction($fn))->getNumberOfRequiredParameters();

    return function (/* ...$args */) use ($fn, $args, $numRequiredParams) {
        $args = array_merge($args, func_get_args());

        if ($numRequiredParams > count($args)) {
            return call_user_func_array(partial, array_merge([$fn], $args));
        }

        return call_user_func_array($fn, $args);
    };
}