Give the days, hours, minutes, and seconds for a passed-in seconds value

time-conversion.php

<?php
// 137 seconds => 2min 17s
protected function _timeConversion( $seconds ) {
        $datetime = new DateTime('@' . $seconds, new DateTimeZone('UTC'));
        $formatted =  array( 'd'    => $datetime->format('z'),
                             'h'    => $datetime->format('G'),
                             'min'  => $datetime->format('i'),
                             's'    => $datetime->format('s')
                            );

        $result = '';
        foreach ($formatted as $key => $value) {
            if( $value != "0" ) {
                $result .= $value . $key . ' ';
            }
        }

        return rtrim($result);
    }
?>