- var_dump: documentation ( source)
- chr: documentation ( source)
- min: documentation ( source)
- ord: documentation ( source)
<?php
function string_to_ascii($string)
{
$ascii = NULL;
for ($i = 0; $i < strlen($string); $i++)
{
$ascii += ord($string[$i]);
}
return($ascii);
}
function calc($a, $b) {
$l1 = strlen($a);
$l2 = strlen($b);
$l = min($l1, $l2);
$r = '';
for($i = 0; $i < $l; $i++) {
$r .= chr(ord($a[$i]) ^ ord($b[$i]));
}
return $r;
}
$a = "8112yuyuiuoui";
$b = "p90187opoipi[i[o[bnmmvhfdfhgj";
var_dump(calc($a, $b));
var_dump($a ^ $b);