format_time funtion

<?php
    function format_time($secs) {
        $result = array();

        if ($secs >= 31536000) {
            $result[] = sprintf('%dy', floor($secs / 31536000));
            $result[] = sprintf('%dd', floor($secs % 31536000 / 86400));
            $result[] = sprintf('%dh', floor($secs % 86400 / 3600));
            $result[] = sprintf('%dm', floor($secs % 86400 % 3600 / 60));
            $result[] = sprintf('%ds', floor($secs % 86400 % 3600 % 60));
        } else if ($secs >= 86400 && $secs < 31536000) {
            $result[] = sprintf('%dd', floor($secs / 86400));
            $result[] = sprintf('%dh', floor($secs % 86400 / 3600));
            $result[] = sprintf('%dm', floor($secs / 60 % 60));
            $result[] = sprintf('%ds', floor($secs % 60));
        } else if ($secs >= 3600 && $secs < 86400) {
            $result[] = sprintf('%dh', floor($secs / 3600));
            $result[] = sprintf('%dm', floor($secs / 60 % 60));
            $result[] = sprintf('%ds', floor($secs % 60));
        } else if ($secs >= 60 && $secs < 3600) {
            $result[] = sprintf('%dm', floor($secs / 60));
            $result[] = sprintf('%ds', floor($secs % 60));
        } else if ($secs < 60) {
            $result[] = sprintf('%ds', $secs);
        }

        return implode(' ', $result);
    }

    echo format_time(32317533);  // 1y 9d 1h 5m 33s

?>