PHP gets the start timestamp and end timestamp for today, yesterday, last week, this month

Source: Internet
Author: User

PHP gets the start timestamp and end timestamp of today, yesterday, last week, this month, mainly using PHP's time function mktime. Let's start with a straight-through example to illustrate how to use Mktime to get the start timestamp and end timestamp for today, yesterday, last week, this month, and then introduce the Mktime function and usage.

View Code Printing
01 //php获取今日开始时间戳和结束时间戳
> $beginTod Ay = mktime (0,0,0, Code class= "Functions" >date ( ' m ' date ( date ( ' Y '
03 $endToday=mktime(0,0,0,date(‘m‘),date(‘d‘)+1,date(‘Y‘))-1;
04 //php获取昨日起始时间戳和结束时间戳
$beginYes Terday = mktime (0,0,0, date ( ' m ' date ( )-1, date ( ' Y '
06 $endYesterday=mktime(0,0,0,date(‘m‘),date(‘d‘),date(‘Y‘))-1;
07 //php获取上周起始时间戳和结束时间戳
" $beginLas Tweek = mktime (0,0,0, date ( ' m ' date ( )- date ( ' W ' ) +1-7, date (
09 $endLastweek=mktime(23,59,59,date(‘m‘),date(‘d‘)-date(‘w‘)+7-7,date(‘Y‘));
10 //php获取本月起始时间戳和结束时间戳
one $beginThi Smonth = mktime (0,0,0, date ( ' m ' date ( ' Y '
12 $endThismonth=mktime(23,59,59,date(‘m‘),date(‘t‘),date(‘Y‘));

The PHP mktime () function is used to return a Unix timestamp for a date.

Grammar

Mktime (HOUR,MINUTE,SECOND,MONTH,DAY,YEAR,IS_DST)

Parameters Description
Hour Optional. Specified hours.
Minute Optional. Specify minutes.
Second Optional. Specify seconds.
Month Optional. Specifies the number of months to be represented.
Day Optional. Prescribed days.
Year Optional. Prescribed year. On some systems, the legal value is between 1901-2038. However, there is no such limit in PHP 5.
Is_dst

Optional. If the time is in daylight saving time (DST), set to 1, otherwise set to 0 and if unknown, set to-1.

Since 5.1.0, the IS_DST parameter has been discarded. Therefore, you should use the new Time zone processing feature.

Usage

The parameter always represents the GMT date, so IS_DST has no effect on the result.

Parameters can be left-to-right and empty, and empty parameters will be set to the corresponding current GMT value.

Note that before PHP 5.1, if the argument for the function is illegal, it will return false.

It is also important to note that this function is useful for date arithmetic and validation. It can automatically correct out-of-bounds input, such as:

View Code Printing
1 echo(date("M-d-Y",mktime(0,0,0,12,36,2001)));

Output results such as:

jan-05-2002

Two

Get Today 00:00
$todaystart = strtotime (Date (' y-m-d '. 00:00:00 ', Time ()));
Get Today 24:00
$todayend = strtotime (Date (' y-m-d '. 00:00:00 ', Time () +3600*24));
Count today's registered users
$todayuser [' create_time '] = array (between, "$todaystart, $todayend");
$todaysum = $Users->where ($todayuser)->count ();


Get Yesterday 00:00
$timestart = strtotime (Date (' y-m-d '. 00:00:00 ', Time () -3600*24));
Get Today 00:00
$timeend = strtotime (Date (' y-m-d '. 00:00:00 ', Time ()));
Statistics of registered users yesterday
$map [' create_time '] = array (between, "$timestart, $timeend");
$daycount = $Users->where ($map)->count ();

$this->assign ("Todaysum", $todaysum);
$this->assign ("Daycount", $daycount);

PHP gets the start timestamp and end timestamp for today, yesterday, last week, this month

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