php生成短网址|两种实现方式

> 5;
        }
 
        $output[] = $out;
    }
 
    return $output;
}
 
 
function shortUrl2($url){
    $result = sprintf("%u",crc32($url));
    $show = '';
    while($result  >0){
        $s = $result % 62;
        if($s > 35){
            $s=chr($s+61);
        }elseif($s>9 && $s