array_find.php

/**
 * This is similar to http://php.net/manual/en/function.array-reduce.php but returns
 * the return from the callback immediately when it is 'truthy'. The callback also
 * is being passed the 'key' in addition to just the 'value'. So this is basically
 * some sort of more flexible array_reduce, array_filter and array_search
 */
function array_find($array, $callback) {
  foreach ($array as $key => $value) {
		$result = $callback($value, $key);
		if ($result) {
			return $result;
		}
	}
}