3v4l.org

run code in 300+ PHP versions simultaneously

sponsor
bughunt
search
recent
about

@ 2017-06-02T10:39:55Z

<?php

function o($f, $g)
{
    return function (...$x) {
        return $f(...$g(...$x));
    };
}

$f = function ($a, $b) {
    return [$a + $b, $a * $b];
};

$g = function (...$n) {
    return array_map(function ($n) {
        return n ** 2;
    }, $n);
};

$h = o($f, $g);

var_dump($h(2, 3));

Output
Performance
VLD
References
Branches

array_map: documentation ( source)
var_dump: documentation ( source)

preferences:dark modelive preview

26.27 ms | 402 KiB | 5 Q