php生成短网址 仿微博短网址生成代码

  urlShort-php生成短网址_bbs.it-home.org_脚本学堂提供

2，生成php短网址的代码。

     header("Content-Type:text/html;charset=UTF-8");
     function base62($x){
        $show = '';
        while($x>0){
            $s = $x % 62;
            if ($s > 35){
                $s = chr($s + 61);
            }else if ($s > 5 && $S                $s = chr($s + 55);
            }
            $show .= $s;
            $x = floor($x/62);
        }
        return $show;
    }

    function url_short($url){
        $url = crc32($url);
        $result = sprintf("%u",$url);
        return base62($result);
    }

    echo ("生成的短网址为：".url_short($_POST['url'])."");