PHP: How to check if a number has more than two decimals

Question

I\'m trying to pick out numbers with more than two decimals (more than two digits after the decimal separator). I cant\'t figure out why this doesn\'t work:

if (         


        

Answer 1

You could use a regex:

$number = 1.12; //Don't match
$number = 1.123; //Match
$number = 1.1234; //Match
$number = 1.123; //Match

if (preg_match('/\.\d{3,}/', $number)) {
    # Successful match
} else {
    # Match attempt failed
}