php checktime function

checktime.php

<?php
function checktime($hour, $min, $sec) {
     if ($hour < 0 || $hour > 23 || !is_numeric($hour)) {
         return false;
     }
     if ($min < 0 || $min > 59 || !is_numeric($min)) {
         return false;
     }
     if ($sec < 0 || $sec > 59 || !is_numeric($sec)) {
         return false;
     }
     return true;
}

This is really handy thanks!

Thank you!..

Handy for some purposes, but it not aware of leap second