- str_split: documentation ( source)
<?php
$pass = "adeabecc";
$xor = "12341234";
$spass = str_split($pass);
$sxor = str_split($xor);
for ($i = 0; $i <= 7; $i++) {
echo $spass[$i]^$sxor[$i];
}
echo "a" ^ 1;
echo "d" ^ 2;
echo "e" ^ 3;
echo "a" ^ 4;
echo "b" ^ 1;
echo "e" ^ 2;
echo "c" ^ 3;
echo "c" ^ 4;