How to convert php time to timestamp

How to convert php time to timestamp: First create a PHP sample file; then use the strtotime function to convert the date represented by the text string into a timestamp, or use the mktime function to obtain the timestamp from the date.

The operating environment of this tutorial: Windows 7 system, PHP version 5.6. This method is suitable for all brands of computers.

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PHP date format and timestamp conversion

Date conversion to unix timestamp

1. 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(). It returns the timestamp successfully, otherwise it returns FALSE

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

Print the timestamp at this time yesterday strtotime("-1 day")

Print the timestamp at this time next week strtotime(" 1 week")

Print the timestamp at this time last week Timestamp strtotime("-1 week")

Get the timestamp of zero o'clock today. To get the unix timestamp of zero o'clock, you can use

$todaytime=strtotime(“today”)，

2, mktime()

The mktime() function is used to obtain a timestamp from a date and returns the timestamp successfully, otherwise it returns FALSE. Syntax:

int mktime(hour, minute, second, month, day, year)

Example:

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

Convert unix timestamp to date

date("Y-m-d H:i:s",time()), "Y-m-d H:i:s" is the converted date format, and time() is the timestamp to obtain the current time. If it is date("Y-m-d H:i:s", time()), the hours, minutes and seconds will be displayed together; if it is

date("Y-m-d ", time()), only the year, month and day will be displayed

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