for testing and deploying your application
for finding and fixing issues
for empowering human code reviews
<?php
declare(strict_types=1);
namespace Improved;
/**
* Get the first element that matches a condition and return the key.
* Returns null if no element is found.
*
* @param iterable $iterable
* @param callable $matcher
* @return mixed
*/
function iterable_find_key(iterable $iterable, callable $matcher)
{
foreach ($iterable as $key => $value) {
if ((bool)call_user_func($matcher, $value, $key)) {
return $key;
}
return null;
improved-php-library /
iterable
