How to convert seconds to time format in php

In development, timestamps and seconds are concepts that often appear. In some systems, seconds need to be converted into time format in order to better display and process time information. In PHP, you can use some built-in functions to convert seconds to time format. This article will introduce how to use PHP to convert seconds to time format.

1. Convert seconds to date

First, we need to convert seconds to date. In PHP, you can use the date() function to convert a timestamp into a date. The syntax of the Date() function is as follows:

date(format, timestamp);

Among them, format is the format of the date, and timestamp is the timestamp. Here are some common date formats:

Y: four-digit year

m: month (01-12)

d: day (01-31)

H: Hours (00-23)

i: Minutes (00-59)

s: Seconds (00-59)

For example, the following The code can convert timestamp to date:

$timestamp = 1554252050;
$date = date('Y-m-d H:i:s', $timestamp);
echo $date;

The output result is: 2019-04-03 19:47:30

2. Convert seconds to hours, minutes and seconds

Sometimes, we only need to convert seconds to hours, minutes and seconds format , without including date information. In PHP, you can use the gmdate() function to convert seconds into hours, minutes and seconds. The syntax of the gmdate() function is as follows:

gmdate(format, timestamp);

Among them, format is the format of the date, and timestamp is the timestamp. Compared with the date() function, the gmdate() function does not consider the time zone and always returns GMT time. Here are some common date formats:

H: Hours (00-23)

i: Minutes (00-59)

s: Seconds (00-59)

For example, the following code can convert seconds into hours, minutes and seconds:

$seconds = 3661;
$time = gmdate('H:i:s', $seconds);
echo $time;

The output result is: 01:01:01

3. Extension: convert seconds into days, hours, minutes and seconds

Sometimes, we need to convert Seconds are converted to a more detailed time format, including days, hours, minutes and seconds. In PHP, you can use some custom functions to convert seconds into day, hour, minute and second format. The following is a sample code:

function secondsToTime($seconds) {

$days = floor($seconds / (60 * 60 * 24));
$hours = floor(($seconds - ($days * 60 * 60 * 24)) / (60 * 60));
$minutes = floor(($seconds - ($days * 60 * 60 * 24) - ($hours * 60 * 60)) / 60);
$seconds = $seconds - ($days * 60 * 60 * 24) - ($hours * 60 * 60) - ($minutes * 60);
$time = "";
if ($days > 0) {
    $time .= $days . "d ";
}
if ($hours > 0) {
    $time .= $hours . "h ";
}
if ($minutes > 0) {
    $time .= $minutes . "m ";
}
if ($seconds > 0) {
    $time .= $seconds . "s";
}
return trim($time);

}

This function converts seconds into days, hours, minutes and seconds, and returns a string. For example, the following code can convert seconds to hours, minutes and seconds:

$seconds = 123456;
$time = secondsToTime($seconds);
echo $time;

The output result is: 1d 10h 17m 36s

Conclusion

In PHP, you can use the date() and gmdate() functions to convert seconds into time format. If you need a more detailed time format, you can use a custom function to convert seconds to days, hours, minutes and seconds. Using these functions makes it easier to process time information and improve code efficiency.

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