PHP Tutorials

An instance of a regular expression that matches the email address in PHP, and the email address replaces the regular matching expression I used most often:/^[a-z] ([a-z0-9]*[-_]?[ a-z0-9]+) *@ ([a-z0-9]*[-_]?[ a-z0-9]+) +[\\.] [A-z] {2,3} ([\\.] [A-

PHP tutorials generate thumbnail classes that support custom height and width. Also supported by high and wide Class Resizeimage{Type of picturevar $type;Actual widthvar $width;Actual heightvar $height;The width after the changevar $resize

Previously did a recruitment site so we need to let not collect our customer's mobile phone number and email address, so we will use PHP to realize from the database read the mobile phone number and email address directly generated a picture, so

In fact, to solve multiple calls at the same time to write a file, we will use flock to solve some problems, so that only one user can write the file at once, while other users waiting queue, I would like to introduce flock to solve the multi-user

For Loop statement Print Pyramids The Complete pyramidCopy the Code code as follows:Print Pyramids$n = 25;for ($i =1; $i Space loopfor ($k =1; $k Echo ';}Character Loopsfor ($j =1; $j if ($i ==1 | | $i = = $n) {echo '. ';}else{if ($j ==1 | | $j =

Because the server installed a security dog this feature, our direct SQL is not available, let me give you a brief introduction of phpMyAdmin the SQL statement to Base64 transmission to solve the problem. 1. First modify the libraries/header.inc.php

Bought a space today to find the space does not support the Fsockopen function, later on-line to find a few solution space does not support the Fsockopen method, the following for everyone to share, I hope to help you friends. In order to server

One, code Snippets Developers often do some repetitive work. For different data tables and additions and deletions are similar, repeated to re-go. Long time did not write the program, the use of 11 holidays at home to read books, write

Summarize PHP's error handling to the newcomer. PHP provides error handling and logging capabilities. These functions allow you to define your own error handling rules and how to modify the error records. In this way, you can change and strengthen

Copy CodeThe code is as follows: Digression: Jump directly to the share button on the Facebook login page: The URL is: http://www.facebook.com/sharer.php?u=www.baidu.com&t=123213123 The u parameter is the link you want to share. The T

There are a lot of PHP floating point processing functions in PHP, including like Ceil,floor,round,intval after they have been processed to return the number of floating-point numbers we want, let me introduce some of the usage of PHP floating point

This PHP generated CAPTCHA code principle generates a random number--Create picture--random number in the picture--Save in session, look at the process verification code picture generation notification browser will output PNG picture ready random

When installing (fastcgi mode), there are often such commands: Copy CodeThe code is as follows: /usr/local/webserver/php/bin/phpize What does Phpize do? What is Phpize?Phpize is used to extend the PHP extension module, through the phpize can

Recently, a small project has made me accessible to PHP programming, the simple login function is OK. But in the actual use of the time to find a problem: User A Send a link to the user B,b open page prompt landing, but the successful landing, but

PHP generates a random password, easy and fast, can randomly generate a secure and reliable password, I hope this article will be helpful to everyone. Cases The code is as follows Copy Code Header

Buffer Buffer is a memory address space, the Linux system default size is generally 4096 (4KB), that is, a memory page. It is primarily used to store data between devices that are out of sync or between devices with different priority levels. By

One, prepare before installation Cd/usr/local/src wget http://cn2.php.net/distributions/php-5.4.7.tar.gz yum -y install gcc automake autoconf libtool make yum -y install gcc gcc-c++ glibc yum -y install libmcrypt-devel mhash-devel

1 Using JS implementation Copy CodeThe code is as follows: if (! $this->userinfo) { $alert _msg = "Activation link error"; echo ""; Redirect (Base_url ()); Die } 2 PHP implementations Copy CodeThe code is as follows: if (! $this->userinfo)

Sometimes we need to test some code snippets, and the computer doesn't have a running environment for that language, so you can test them online. This article brings you 8 very useful code snippets online tools to help you quickly and easily test

This article to give you a beginner PHP introduction of a global variable session in PHP basic use of sessions, there is a need to know the friends can enter the reference. What's the session? A session is a series of actions or information that