<?php
//set the random id length
$random_id_leng th = 10;

//generate a random id encrypt it and store it in $rnd_id
$rnd_id = crypt(uniqid(ra nd(),1));

//to remove any slashes that might have come
$rnd_id = strip_tags(stri pslashes($rnd_i d));

//Removing any . or / and reversing the string
$rnd_id = str_replace(&qu ot;.",&quo t;",$rnd_i d);
$rnd_id = strrev(str_repl ace("/&quo t;,"" ,$rnd_id));

//finally I take the first 10 characters from the $rnd_id
$rnd_id = substr($rnd_id, 0,$random_id_le ngth);

echo "Random Id: $rnd_id";< br /> ?>