used to convert Hours:Mins to minutes and the other way around

ConvertHoursMins.php

<?php

function convertMinsToHours($time, $format = '%d:%s') {
    settype($time, 'integer');
    if ($time < 0 || $time >= 1440) {
        return;
    }
    $hours = floor($time/60);
    $minutes = $time%60;
    if ($minutes < 10) {
        $minutes = '0' . $minutes;
    }
    return sprintf($format, $hours, $minutes);
}

function convertHoursToMinutes($hours) 
{ 
    $minutes = 0; 
    if (strpos($hours, ':') !== false) 
    { 
        // Split hours and minutes. 
        list($hours, $minutes) = explode(':', $hours); 
    } 
    return $hours * 60 + $minutes; 
} 

//echo convertHoursToMinutes('1:03');  // will output 63
//echo convertHoursToMinutes(63);  // will output 103