A recursive function to parse a multidimensional array from a string

multi-explode.php

/**
 * A recursive function to parse a multidimensional array from a string
 *
 * @param  array  $delimiter Array of delimiters
 * @param  string $string    The string to parse
 * @return array             Multidimensional array
 */
function n26_multi_explode(array $delimiter, $string) {
    // Shift the array
    $d = array_shift($delimiter);
    if ($d != null) {
        // Filter the array to make sure we don't create empty nodes
        $tmp = array_filter(explode($d, $string), 'strlen');
        foreach ($tmp as $key => $o) {
            $out[$key] = n26_multi_explode($delimiter, $o);
        }
    } else {
        return $string;
    }
    return $out;
}