- rand: documentation ( source)
<?php
function randStr($length = 32, $chars = 'abcdefghijklmnopqrstuxyvwzABCDEFGHIJKLMNOPQRSTUXYVWZ!@#$%&*()_-+=') {
//function randStr($length, $chars) {
$validCharNumber = strlen($chars);
for ($i = 0; $i < $length; $i++) {
$str .= $chars[rand(0, $validCharNumber - 1)];
}
return $str;
}