- mt_rand: documentation ( source)
- array_merge: documentation ( source)
- range: documentation ( source)
<?php
function gen_token() {
$chars = array_merge(range("z","a"), range("Z", "A"), range("0", "9"));
//Define the array length here so we dont have to call count() on each iteration
$chars_len = count($chars)-1;
$token_len = 25;
$token = "";
for($i = 0; $i<$token_len; $i++) {
$token .= $chars[mt_rand(0, $chars_len)];
}
return $token;;
}
print strlen(gen_token()) == 25;
?>