//隨機六位數密碼code
function randStr($len=6,$format='ALL') { switch($format) { case 'ALL': $chars='ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-@#~'; break; case 'CHAR': $chars='ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-@#~'; break; case 'NUMBER': $chars='0123456789'; break; default : $chars='ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-@#~'; break; } mt_srand((double)microtime()*1000000*getmypid()); $password=""; while(strlen($password)<$len) $password.=substr($chars,(mt_rand()%strlen($chars)),1); return $password; }
//調用示例例orm
echo randStr(12);//可自定義長度
?>get