How to convert time in milliseconds in php

Question

I have a subtitle files in which i have start_time and end_time which is formatted like this 00:38:42,689 but i don't want this i have functionality of subtitles which work on milliseconds so i want to convert it in milliseconds in php.

How i can get it done. Thanks

what have you tried so far ? You can split the string with ":" and then multiply each part. It should be pretty easy — Unex, Jul 16 '15 at 10:06
possible duplicate of [How to get current time in milliseconds in PHP?](http://stackoverflow.com/questions/3656713/how-to-get-current-time-in-milliseconds-in-php) — l'L'l, Jul 16 '15 at 10:07
i have edited my question please read and thanks for comment — Sufyan, Jul 16 '15 at 10:09

score 5 · Accepted Answer · answered Jul 16 '15 at 10:11

$string = "00:38:42,689";
$time   = explode(":", $string);

$hour   = $time[0] * 60 * 60 * 1000;
$minute = $time[1] * 60 * 1000;

$second = explode(",", $time[2]);
$sec    = $second[0] * 1000;
$milisec= $second[1];

$result = $hour + $minute + $sec + $milisec;

echo $result;

score 0 · Answer 2 · answered Jul 16 '15 at 10:27

You can use the DateTime class to do the parsing and calculate from there:

$timeString = '00:38:42,689';
$dateTime   = DateTime::createFromFormat('H:i:s,u', $timeString);

$milliseconds =
    $dateTime->format('H') * 60 * 60 * 1000 +  // milliseconds in an hour
    $dateTime->format('i')      * 60 * 1000 +  // milliseconds in a minute
    $dateTime->format('s')           * 1000 +  // milliseconds in a second
    $dateTime->format('u')           / 1000;   // microseconds in a millisecond

Example of this code is here.

How to convert time in milliseconds in php

2 Answers2