Example Analysis of PHP date-time function

Editor to share with you the PHP date-time function example analysis, I believe that most people do not know much about it, so share this article for your reference, I hope you will learn a lot after reading this article, let's go to understand it!

1. Date_default_timezone_set ("PRC"); / / set the default time zone

$t = time ()

Echo $t

$d = date ("M / d / Y H:i:s", $t); / / the data function formats the timestamp into a more readable date and time.

Echo $d

Displayed as: 1464678649 15:10:49 on 31 May 2016

2. The Microtime (true) function returns the current Unix timestamp and microseconds.

$T1 = microtime (true)

/ /... Execute the code.

$T2 = microtime (true)

Echo 'time-consuming' .round ($t _ 2murf _ t _ 1pr _ 3). Seconds'

3. The strtotime () function parses the date-time description of any English text into a Unix timestamp.

Echo date ('Y-m-d now') + 8' 60')

Result: 2013-04-05 03:15:02

/ / get the timestamp of the current time!

4. The mktime () function returns the Unix timestamp of a date.

Echo date ("M-d-Y", mktime (0,0,0,12,32))

Displayed as: Jan-01-1998

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