PHP Compute time interval Implementation code _php tutorial

In the article I said a lot about the PHP calculation time interval Implementation of the program code implementation method principle and analysis of how to do this function, there is a need for students to take a closer look at OH.

Below is an example that tells us about how many seconds before the forum has posted posts such as these features,

Analysis

Actual Time PHP

1 sec 2 "SEC"

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30 sec ==60

5 min ==60*10//Here I think it should be five minutes instead of a minute, and personally think a minute's words should be 60*2

10 min ==60*20

30 min ==60*60

1 hours ==60*60*2

2.5 hours ==60*60*5

Principle

Use the current time (), minus the new time you entered the information, (note is the timestamp), and then the difference is the number of seconds, and then according to their own needs to convert AH. For example, if you want to convert the component clock, divide by 60.

Instance

The code is as follows

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/** * Time Difference calculation * * @param Timestamp $time * @return String Time Elapsed * @author Shelley Shyan * @copyright http://www.bKjia.c0m (Professional PHP Architecture) */ function Time2units ($time) { $year = Floor ($time/60/60/24/365); $time-= $year * 60 * 60 * 24 * 365; $month = Floor ($time/60/60/24/30); $time-= $month * 60 * 60 * 24 * 30; $week = Floor ($time/60/60/24/7); $time-= $week * 60 * 60 * 24 * 7; $day = Floor ($time/60/60/24); $time-= $day * 60 * 60 * 24; $hour = Floor ($time/60/60); $time-= $hour * 60 * 60; $minute = Floor ($time/60); $time-= $minute * 60; $second = $time; $elapse = "; $UNITARR = Array (' Year ' = ' + ' Years ', ' month ' = ' ' month ', ' Week ' = ' ' Week ', ' Day ' = ' ~ ', ' Hours ' = ' hour ', ' minutes ' = ' minute ', ' sec ' = ' second ' ); foreach ($unitArr as $CN = $u) { if ($ $u > 0) { $elapse = $ $u. $CN; Break } } return $elapse; } $past = 2052345678; Some Timestamp in the past $now = time (); Current timestamp $diff = $now-$past; Echo ' published in '. Time2units ($diff). ' former '; ?>

It was written by a classmate who was just getting started.

The code is as follows

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$regist 1 = "05/12/2006"; $regist 2 = "10/05/2007"; List ($month 1, $day 1, $year 1) = Explode ("/", $regist 1); List ($month 2, $day 2, $year 2) = Explode ("/", $regist 2); $regist 1 = mktime (0,0,0, $month 1, $day 1, $year 1); $regist 2 = mktime (0,0,0, $month 2, $day 2, $year 2); $time _difference = $regist 2-$regist 1; Echo ("Time difference:"); echo Date ("Y", $time _difference)-1970; Echo ("year"); echo Date ("M", $time _difference)-1; Echo ("month"); echo Date ("D", $time _difference)-1; Echo ("Day"); ?>

Well, like to choose their own use it.

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