REQUEST_TIME The timestamp of the start of the request. PHP Microtime Diff -- Calculate a precise time difference - microtime_diff.php. I can't wrap my brain around this one so I hope someone can help. Star 8 Fork 3 I'm going to be logging the time it takes to process a REST request and I'm undecided on which data type would be best for the column. I also have the date the song played in DATETIME format. Return Values. [2013-02-18 01:26 UTC] wavetrex at gmail dot com This is a very old bug ;) It appears that in my current version on the same server 5.3.20, it's not occurring anymore. In PHP, we can get the clock time using the microtime() function. After that, we will get the difference between these two clock times which will be the time take to execute the script. Make note that there is a difference between using forward slash / and hyphen - in the strtotime() function. I have a song track that has the song length in milliseconds. All gists Back to GitHub Sign in Sign up Sign in Sign up Instantly share code, notes, and snippets. The problem is not in php, it's with my mathematical skills. I have a song track that has the song length in milliseconds. For instance: Time In: 11:35:20 (hh:mm:ss), now say the current time is: 12:00:45 (hh:mm:ss) then the time difference in my formula gives the output: 1:-34:25.It should actually be: 25:25 (Available since PHP 5.1.0.) REQUEST_TIME_FLOAT The timestamp of the start of the request, with microsecond precision. Skip to content. - This function checks the keys of the arrays, array_diff only compares the values. While doing some experiments on using microtime()'s output for an entropy generator I found that its microsecond value was always quantified to the nearest hundreds (i.e. Hi All I'm trying to calculate elapsed time in php. (Available since PHP 5.4.0.) ). Now, it is time to see the PHP code that can calculate the time taken for the script to be run. Questions: I can’t wrap my brain around this one so I hope someone can help. By default, microtime() returns a string in the form "msec sec", where sec is the current time measured in the number of seconds since the Unix epoch (0:00:00 January 1, 1970 GMT), and msec is the number of microseconds that have elapsed since sec expressed in seconds. I also have the date the song played in DATETIME format. You can use REQUEST_TIME from the $_SERVER superglobal array.From the documentation:. Check the online PHP manual for further examples of how to use microtime and also the parameters. 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