Search a value in a array using a case insensitive check

gistfile1.php

/**
 * Search a value in a array using a case insensitive check
 * similar to array_search() but case insensitive
 *
 * @param $search
 * @param array $array
 */
private function arraySearchInsensitive($search, array $array)
{
    foreach ($array as $key => $value) {
        if (stristr($search, $value)) {
            return $key;
        }
    }
    return false;
}