";
$real = array();
$foo = str_split($yay);
foreach($foo as $bar) {
if(ctype_alpha($bar)) {
if(!in_array($bar,$real)) {
$real[] = $bar;
}
}
}
$crypt = array();
$poo = str_split($o);
foreach($poo as $far) {
if(ctype_alpha($far)) {
if(!in_array($far,$crypt)) {
$crypt[] = $far;
}
}
}
echo implode('',$crypt).'='.implode('',$real);
}
?>