PHP Security - (int) vs FILTER_VALIDATE_INT

Question

I recently was told there is FILTER_VALIDATE_INT which is great by the way.

My question is in terms of taking an integer value from the website whether it maybe fro

Answer 1

 


$price = filter_input(INPUT_POST, 'param', FILTER_VALIDATE_INT);
if ($price !== false) {
print " a number.";    //works when value is number
}


if(is_int($_POST['param'])){
    print "is number."; //don't works when value is number
}

Please try test with when value is number .