[PHP] Funzione ... cosa sbaglio?

[piero.mac]

$actualPswD = substr($value,8,2);
$actualPswY = substr($value,5,2);
$actualPswY = substr($value,0,4);
$scadenzaPsw = mktime(0,0,0,$actualPswM,$actualPswD + 60,$actualPswY);