Random string generation

RandStrGen.php

<?php
/**
 * Generates a random string based on ASCII coding.
 * @author Er Galvão Abbott <galvao@galvao.eti.br>
 * @see http://www.asciitable.com/
 */

$result = '';

$bgn = 33;
$end = 126;

$len = 32;

for ($c = 0; $c < $len; $c++) {
    $chr = chr(mt_rand($bgn, $end));
    $result .= $chr;
}

echo "$result\n";
?>