Helper function for partial application in PHP

partial.php

<?php

function partial(callable $closure, ...$partialArgs) {
    return function (...$args) use ($closure, $partialArgs) {
        return call_user_func($closure, ...$partialArgs, ...$args);
    };
}


// demo

$foo = function ($a, $b, $c) {
    var_dump(func_get_args());
};

$bar = partial($foo, "A");
$baz = partial($bar, 42);
call_user_func($baz, "C");

/*
array(3) {
  [0] =>
  string(1) "A"
  [1] =>
  int(42)
  [2] =>
  string(1) "C"
}
*/