Answers for "generate unique code in php"

php unique random number

$uniqueCode = md5(uniqid(rand(), true)); echo $uniqueCode;

php generate unique id for word

function gen_uid($l=10){
    return substr(str_shuffle("0123456789abcdefghijklmnopqrstuvwxyz"), 0, $l);
}

generate unique order id in php

$unique_id = time() . mt_rand() . $userid;