PHP introductory training tutorial time processing in php
Time processing in php
PHP introductory training tutorial Brothers PHP training
Time processing in php compiled by the editor:
<? /** * 转换为UNIX时间戳 */ function gettime($d) { if(is_numeric($d)) return $d; else { if(! is_string($d)) return0; if(ereg(":",$d)){ $buf = split("+",$d); $year =split("[-/]",$buf[0]); $hour =split(":",$buf[1]); if(eregi("pm",$buf[2])) $hour[0] += 12; returnmktime($hour[0],$hour[1],$hour[2],$year[1],$year[2],$year[0]); }else { $year =split("[-/]",$d); return mktime(0,0,0,$year[1],$year[2],$year[0]); } } } /** * *DateAdd(interval,number,date) * 返回已添加指定时间间隔的日期。 * Inetrval为表示要添加的时间间隔字符串表达式,例如分或天 * number为表示要添加的时间间隔的个数的数值表达式 * Date表示日期 * * Interval(时间间隔字符串表达式)可以是以下任意值: * yyyy year年 * q Quarter季度 * m Month月 * y Day of year一年的数 * d Day天 * w Weekday一周的天数 * ww Week of year周 * h Hour小时 * n Minute分 * s Second秒 * w、y和d的作用是完全一样的,即在目前的日期上加一天,q加3个月,ww加7天。 */ function DateAdd($interval,$number, $date) { $date = gettime($date); $date_time_array =getdate($date); $hours =$date_time_array["hours"]; $minutes =$date_time_array["minutes"]; $seconds =$date_time_array["seconds"]; $month =$date_time_array["mon"]; $day =$date_time_array["mday"]; $year =$date_time_array["year"]; switch ($interval) { case "yyyy":$year +=$number; break; case "q": $month+=($number*3); break; case "m": $month+=$number; break; case "y": case "d": case "w":$day+=$number; break; case "ww":$day+=($number*7); break; case "h": $hours+=$number;break; case "n":$minutes+=$number; break; case "s":$seconds+=$number; break; } $timestamp = mktime($hours,$minutes, $seconds,$month ,$day, $year); return $timestamp; } /** *DateDiff(interval,date1,date2) * 返回两个日期之间的时间间隔 * intervals(时间间隔字符串表达式)可以是以下任意值: * w 周 * d 天 * h 小时 * n 分钟 * s 秒 */ function DateDiff($interval, $date1,$date2) { // 得到两日期之间间隔的秒数 $timedifference =gettime($date2) - gettime($date1); switch ($interval) { case "w": $retval= bcp($timedifference ,604800); break; case "d": $retval= bcp( $timedifference,86400); break; case "h": $retval= bcp ($timedifference,3600); break; case "n": $retval= bcp( $timedifference,60); break; case "s": $retval= $timedifference; break; } return $retval; } ?> <? // 测试例 $d1 ="2002-01-11"; $d2 =date("Y-m-d",dateadd("d",15,$d1)); echo $d1."的". datediff("d",$d1,$d2)."天后是$d2 "; echo $d1."的10天前是".date("Y-m-d",dateadd("d",-10,$d1))." "; $d3 = date("Y/m/d H:i:s"); echo "现在是".$d3."距离2002/2/12 12:59:59还有".datediff("s",$d3,"2002/2/1212:59:59")."秒 "; ?>
The above is the content of time processing in php introductory training tutorial for PHP, more related content Please pay attention to the PHP Chinese website (www.php.cn)!

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

AI Hentai Generator
Generate AI Hentai for free.

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics

In this chapter, we will understand the Environment Variables, General Configuration, Database Configuration and Email Configuration in CakePHP.

PHP 8.4 brings several new features, security improvements, and performance improvements with healthy amounts of feature deprecations and removals. This guide explains how to install PHP 8.4 or upgrade to PHP 8.4 on Ubuntu, Debian, or their derivati

To work with date and time in cakephp4, we are going to make use of the available FrozenTime class.

To work on file upload we are going to use the form helper. Here, is an example for file upload.

In this chapter, we are going to learn the following topics related to routing ?

CakePHP is an open-source framework for PHP. It is intended to make developing, deploying and maintaining applications much easier. CakePHP is based on a MVC-like architecture that is both powerful and easy to grasp. Models, Views, and Controllers gu

Visual Studio Code, also known as VS Code, is a free source code editor — or integrated development environment (IDE) — available for all major operating systems. With a large collection of extensions for many programming languages, VS Code can be c

Validator can be created by adding the following two lines in the controller.
