// TEST
// 1 Day 6 Hours 50 Minutes 31 Seconds ~ 111031 seconds

$time = 111031; // time duration in seconds

$days = floor($time / (60 * 60 * 24));
$time -= $days * (60 * 60 * 24);

$hours = floor($time / (60 * 60));
$time -= $hours * (60 * 60);

$minutes = floor($time / 60);
$time -= $minutes * 60;

$seconds = floor($time);
$time -= $seconds;

echo "{$days}d {$hours}h {$minutes}m {$seconds}s"; // 1d 6h 50m 31s

下面的代码可以准确地显示总小时加上分和秒

$duration_in_seconds = 86401;
if($duration_in_seconds>0)
{
    echo floor($duration_in_seconds/3600).gmdate(":i:s", $duration_in_seconds%3600);
}
else
{
    echo "00:00:00";
}

如果你不喜欢公认的答案或流行的答案，那么试试这个

function secondsToTime($seconds_time)
{
    if ($seconds_time < 24 * 60 * 60) {
        return gmdate('H:i:s', $seconds_time);
    } else {
        $hours = floor($seconds_time / 3600);
        $minutes = floor(($seconds_time - $hours * 3600) / 60);
        $seconds = floor($seconds_time - ($hours * 3600) - ($minutes * 60));
        return "$hours:$minutes:$seconds";
    }
}

secondsToTime(108620); // 30:10:20

这个函数是有用的，你可以扩展它:

function formatSeconds($seconds) {

if(!is_integer($seconds)) {
    return FALSE;
}

$fmt = "";

$days = floor($seconds / 86400);
if($days) {
    $fmt .= $days."D ";
    $seconds %= 86400;
}

$hours = floor($seconds / 3600);
if($hours) {
    $fmt .= str_pad($hours, 2, '0', STR_PAD_LEFT).":";
    $seconds %= 3600;
}

$mins = floor($seconds / 60 );
if($mins) {
    $fmt .= str_pad($mins, 2, '0', STR_PAD_LEFT).":";
    $seconds %= 60;
}

$fmt .= str_pad($seconds, 2, '0', STR_PAD_LEFT);

return $fmt;}

任何人在未来寻找这个，这给了最初的海报要求的格式。

$init = 685;
$hours = floor($init / 3600);
$hrlength=strlen($hours);
if ($hrlength==1) {$hrs="0".$hours;}
else {$hrs=$hours;} 

$minutes = floor(($init / 60) % 60);
$minlength=strlen($minutes);
if ($minlength==1) {$mins="0".$minutes;}
else {$mins=$minutes;} 

$seconds = $init % 60;
$seclength=strlen($seconds);
if ($seclength==1) {$secs="0".$seconds;}
else {$secs=$seconds;} 

echo "$hrs:$mins:$secs";

function timeToSecond($time){
    $time_parts=explode(":",$time);
    $seconds= ($time_parts[0]*86400) + ($time_parts[1]*3600) + ($time_parts[2]*60) + $time_parts[3] ; 
    return $seconds;
}

function secondToTime($time){
    $seconds  = $time % 60;
    $seconds<10 ? "0".$seconds : $seconds;
    if($seconds<10) {
        $seconds="0".$seconds;
    }
    $time     = ($time - $seconds) / 60;
    $minutes  = $time % 60;
    if($minutes<10) {
        $minutes="0".$minutes;
    }
    $time     = ($time - $minutes) / 60;
    $hours    = $time % 24;
    if($hours<10) {
        $hours="0".$hours;
    }
    $days     = ($time - $hours) / 24;
    if($days<10) {
        $days="0".$days;
    }

    $time_arr = array($days,$hours,$minutes,$seconds);
    return implode(":",$time_arr);
}