How to convert date to timestamp in php

Convert date to timestamp in php:

Convert date to timestamp

PHP provides functions to facilitate Convert various forms of dates into timestamps. The main functions of this class are:

strtotime(): Parse the date and time description of any English text into a timestamp. mktime(): Get timestamp from date.

The strtotime() function is used to convert the date represented by the English text string into a timestamp. It is the inverse function of date() and returns the 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
?>

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