- chr: documentation ( source)
- str_rot13: documentation ( source)
- ord: documentation ( source)
<?php
$string = "someString";
echo ord('z');
function rot13($str) {
for ($i = 0,$l = strlen($str);$i<$l;$i++) {
$str[$i] = chr(((ord($str[$i])-84)%26)+97);
}
}
echo rot13('z').str_rot13('z');