utf8 url decode/encode

utf8urldecode.php

<?php
function utf8_urldecode($str) {
    $str = preg_replace("/%u([0-9a-f]{3,4})/i","&#x\\1;",urldecode($str));

    return html_entity_decode($str,null,'UTF-8');;
}

// Main

$options = getopt('de');

if ($argc == 3) {
    if (isset($options['d'])) {
        printf("Decoded: %s => %s\n", $argv[2], utf8_urldecode($argv[2]));
        exit(0);
    } elseif (isset($options['e'])) {
        printf("Encoded: %s => %s\n", $argv[2], urlencode($argv[2]));
        exit(0);
    }
} else {
    printf("Usage: %s -d|-e string\n", $argv[0]);
    exit(0);
}