How to convert time to timestamp in php

PHP method to convert time into timestamp: You can use strtotime() function to convert time into timestamp, such as [strtotime("2009-10-21 16:00:10");].

PHP provides functions that can easily convert various forms of dates into timestamps. The main functions of this type are:

strtotime( ): Parses any English text datetime description into a timestamp.

mktime(): Get timestamp from date.

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Function introduction:

strtotime()

strtotime() function is used Convert the date represented by the English text string into a timestamp, which is the inverse function of date(). It returns a timestamp successfully, otherwise it returns FALSE.

Syntax:

int strtotime ( string time [, int now] )

The parameter time is the parsed string, which is the date represented according to the GNU date input format.

Example:

<?php
echo strtotime("2009-10-21 16:00:10");
//输出 1256112010
echo strtotime("10 September 2008");
//输出 1220976000
echo strtotime("+1 day"), "<br />";
//输出明天此时的时间戳
?>

mktime()

mktime() function is used to get the timestamp from the date and returns the timestamp successfully, otherwise it returns FALSE.

Syntax:

int mktime(时, 分, 秒, 月, 日, 年)

Example:

<?php
echo mktime(21, 50, 55, 07, 14, 2010);
//输出“1279115455”
?>

Parameters can be omitted from right to left. Any omitted parameters will be set to the current values ​​of the local date and time. .

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