- rand: documentation ( source)
<?php<?php
$length = 20000;
$symbols = true;
$grabbag = "abcdefghijklmnopqrstuvwxyz0123456789";
if ($symbols) {
$grabbag .= '!@#$%^&*()_+{}-=[]|\\:";\'<,>.?/~`';
}
$string = '';
$len = strlen($grabbag)-1;
while ($length--) {
$string .= $grabbag[rand(0,$len)];
}
echo $string;