PHP

Header ("Content-type: image/jpeg ");Function makethumb ($ srcFile, $ text, $ size = 12, $ R = 0, $ G = 0, $ B = 0 ){If (! $ Text ){$ Text = ''welcome to imbbs.cn '';$ Size = 20;$ R = 255;}$ Data = GetImageSize ($ srcFile, & $ info );Switch ($ data [

NFS sharing for multi-server session sharing using PHPThe Nio hero raised the issue of multi-server session sharing. For the original article, please refer to PHP to implement multi-server sharing SESSION data.One method is to use NFS to share

The final exam will begin tomorrow, and I will go back to Fuzhou the day after tomorrow. Because no network is installed at home, I have to wait for a while before coming to the Forum, I have answered questions for new users and demonstrated code. I

Not null | NULL: Specifies whether the column can be NULL. If neither NULL nor not null is specified, the column is considered NULLIn MySQL,Set a NULL value for a not null field,It does not make errors,MySQL automatically converts the NULL value to

The technology of deleting Articles in batches is not profound. I just want to write it down and share it with you. (Suitable for beginners :)1. On the article list page (list. php), name the multiple baskets "$ del_id []" and set the value to the

After the PHPCHINA server was relocated, I basically couldn't go up. I had to use a proxy, so I was depressed. However, you cannot post or reply to the post with a proxy. As the moderator, I am deeply sorry. I have seen several posts on behalf of

Everyone has different ways of learning. The purpose of this article is to share their learning process for reference only. Do not blindly use others' learning methods to find useful learning methods for yourself.Original: negoo (Fang Xiao)Source:

Session_unset ()Releases all the $ _ SESSION variables that have been created in the memory, but does not delete the session file or release the corresponding sessionid.Session_destroy ()Delete the session file corresponding to the current user and

Nginx CacheNginx has two caching mechanisms: fastcgi_cache and proxy_cache.Let's talk about the differences between the two cache mechanisms.Proxy_cache is used to cache the content of backend servers. It may be any content, including static and

Reference the opening remarks of the previous article:I haven't been in touch with PHP for a long time, so there are some shortcomings. You are welcome to correct them and make everyone laugh.This tutorial is intended for beginners of PHP. It is the

Function deleteHtml ($ scr){$ L = strlen ($ scr ); For ($ I = 0; $ I {If (substr ($ scr, $ I, 1) = "{// Current location$ Ii = $ I; // Stop the loop when $ I is longer than the character LengthWhile (substr ($ scr, $ I, 1 )! = ">" & $ I $ I ++; //

New to PHP, I always wanted to forget all pages. I was lucky to be reminded today that I searched the internet. Some of them cannot be read. Finally, find a simple one. The general idea is: 　　1. Set the maximum number of records to be displayed on

Copy codeThe Code is as follows:// Http://www.jb51.net/article/23093.htmFunction set_cache ($ name, $ value ){// Set relative or absolute directories. Do not add "/" at the end "/"$ Cache_dir = "./cache ";// Set the extension$ Cache_extension = ".

After Apache is installed, you can finally get started with PHP. Let's get started. First, decompress the downloaded php-5.2.0-win32.zip file. If you like the directory, I will decompress it to D: \ php5 for convenience. If you want to change the

1. AnalysisWhen we use php to create a website, classification is very important. The second classification is called subclassification under the classification. Currently, most websites are classified only into the third category:First category

Code 1:Copy codeThe Code is as follows:Function check_wap (){If (isset ($ _ SERVER ['HTTP _ VIA ']) return true;If (isset ($ _ SERVER ['HTTP _ X_NOKIA_CONNECTION_MODE ']) return true;If (isset ($ _ SERVER ['HTTP _ X_UP_CALLING_LINE_ID ']) return

In the actual PHP encoding, PHP recursive calls are encountered when we need to implement the multi-element array replacement function. So what is the specific usage? The following is a code example to illustrate how to implement this

Json is often used when php and javascript are used to implement some functions. Json is a data format of js and can be directly parsed by js. Php cannot directly read json data, but php provides the json_decode function to convert json data, which

Code:Copy codeThe Code is as follows:Echo 'Hello ';Echo 'World! ';?> Output:HellloWorld!Code B:Copy codeThe Code is as follows:Echo 'Hello \ n'; // \ n for unix systems; \ r \ n for windows systemsEcho 'World! ';?> Output:Helloworld!Analysis: The

We know that mysqli is a new MySQL interface provided in PHP 5, which uses the object-oriented idea. The code using the mysqli interface is more readable, and its execution efficiency is higher than that of the mysql interface. In addition, mysqli