To convert the total number of seconds to the hour:minute:second format, PHP provides two common methods. The first is to use basic mathematical operations: divide by 3600 to obtain the hours, and then continue to calculate the minutes and seconds after taking the modulus, and finally format the output with sprintf(); the second is to use the DateInterval class to achieve object-oriented formatting with DateTime. If you need to deal with a time length of more than 24 hours, it is recommended to calculate the hour part by yourself to avoid the limit of %H to only display the number of hours in the day. For example, 90061 seconds can be converted to 25:01:01. Select the right method according to your needs to complete the conversion.

Sometimes when processing time, such as video duration, task time consumption statistics, etc., we need to convert a total number of seconds into小時(shí):分鐘:秒format. PHP provides a variety of ways to implement this function, and it is not complicated.

Format time using basic math operations

If you get an integer in seconds (for example, 3661 seconds), the most direct way is to split the hours, minutes, and seconds through simple mathematical calculations.

 $seconds = 3661;

$hours = floor($seconds / 3600);
$minutes = floor(($seconds % 3600) / 60);
$seconds = $seconds % 60;

This way you can get:

• Hours: 1
• Minutes: 1
• Seconds: 1

Then you can use sprintf() to format the output:

 echo sprintf(' d: d: d', $hours, $minutes, $seconds); // Output 01:01:01

The advantage of this approach is that it is lightweight and does not require dependence on other functions or classes, which is suitable for most scenarios.

Formatted with the DateInterval class

If you prefer an object-oriented approach, you can consider using PHP's DateInterval class with DateTime .

 function formatSecondsToTime($seconds) {
    $dtStart = new DateTime('@0');
    $dtEnd = new DateTime("@$seconds");
    $interval = $dtStart->diff($dtEnd);

    return $interval->format('%H:%I:%S');
}

echo formatSecondsToTime(3661); // Output 01:01:01

Although this method is a little more complex, it is readable, and is especially suitable for projects that require time zone compatibility or involve more complex time operations.

Processing for more than one day

If the number of seconds passed in is particularly large, such as more than 24 hours, the above method is still effective. But sometimes we may want to display it in the form of "day hours", such as 25:00:00 instead of 01:00:00 (if only the hours are reserved).

At this time, it should be noted that %H of DateInterval will only display the number of hours in the day (maximum 23). If you want to support timekeeping for more than 24 hours, it is recommended to do your own calculations, such as:

 $totalSeconds = 90061; // 25 hours 1 minute 1 second $hours = floor($totalSeconds / 3600);
$minutes = floor(($totalSeconds % 3600) / 60);
$seconds = $totalSeconds % 60;

echo sprintf(' d: d: d', $hours, $minutes, $seconds); // Output 25:01:01

This will not be limited to 24 hours.

Basically these are the methods. You can choose the most suitable implementation method according to your needs. What is not complicated but is easy to ignore is the formatting part, such as zeroing or handling for a long time.

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