How to convert 30 days to timestamp in php

php method to convert 30 days into timestamp: 1. Create a php sample file; 2. Pass "mktime(0,0,0,date('m'),1,date('Y '));mktime(23,59,59,date('m'),date('t'),date('Y'));" can be used to obtain the start and end timestamps of this month.

The operating environment of this tutorial: Windows 7 system, PHP version 8.1, Dell G3 computer.

How to convert 30 days into timestamp in PHP?

First explain the format of the date() function:

date('Y-m-d',timestamp); //输出年-月-日
date('Y-m-d H:i:s',timestamp); //输出年-月-日 时:分：秒

php gets today’s date

date("Y-m-d",strtotime("today")); //strtotime('today')输出今天的开始时间戳

or

date("Y-m-d",time()); //time()输出当前的秒时间戳

php gets yesterday’s date

date("Y-m-d",strtotime("-1 day")); 或 date("Y-m-d",strtotime("yesterday"));

phpGet tomorrow's date

date("Y-m-d",strtotime("+1 day")); 或 date("Y-m-d",strtotime("tomorrow "));

phpGet the date 7 days later

date("Y-m-d",strtotime("+7 day"));

phpGet the date 30 days later

date("Y-m-d",strtotime("+30 day"));

phpGet the date one week later

date("Y-m-d",strtotime("+1 week"));

php Get the date one month later

date("Y-m-d",strtotime("+1 month"));

php Get the date one month ago

date("Y-m-d",strtotime("last month")); 或 date("Y-m-d",strtotime("-1 month"));

php Get the date one year later

date("Y-m-d",strtotime("+1 year"));

php Get the date one week, two days and four hours Time after five minutes and two seconds

date("Y-m-d H:i:s",strtotime("+1 week 2 days 4 hours 5 minute 2 seconds"));

php Gets the date of next Thursday

date("Y-m-d",strtotime("next Thursday"));

php Gets the date of last Monday

date("Y-m-d",strtotime("last Monday"));

php Gets the start and end timestamps of today

mktime(0,0,0,date('m'),date('d'),date('Y')); 
mktime(0,0,0,date('m'),date('d')+1,date('Y'))-1;

php Gets the start and end timestamps of yesterday

mktime(0,0,0,date('m'),date('d')-1,date('Y'));
mktime(0,0,0,date('m'),date('d'),date('Y'))-1;

php Gets the start and end timestamps of last week

mktime(0,0,0,date('m'),date('d')-date('w')+1-7,date('Y'));
mktime(23,59,59,date('m'),date('d')-date('w')+7-7,date('Y'));

php Gets the start and end timestamps of this month

mktime(0,0,0,date('m'),1,date('Y'));
mktime(23,59,59,date('m'),date('t'),date('Y'));

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