Ciao a tutti ... cosa sbaglio in questa funzione?

Codice PHP:
function checkPassword($value){
$result false;
$actualPswD substr($value,8,2);
$actualPswY substr($value,5,2);
$actualPswY substr($value,0,4);
$scadenzaPsw  mktime(0,0,0,$actualPswM,$actualPswD 60,$actualPswY);
$today  mktime(0,0,0,date("m"),date("d"),date("Y")); 
    if(
$scadenzaPsw $today) {
        
$result true;
    }
    else {
        
$result false;
    }
    return 
$result;
}


 if(
checkPassword($userDataPswLogged)){
    
// operazioni
}
else {
   
// operazioni


grazie