PHP

Browser cache is totally different. The cached content is stored locally in the browser, but the content is generated by the web server. Neither party can complete this system process independently, therefore, there must be a communication mechanism

A PHP File Upload instance. It supports txt, rar, zip, jpg, jpeg, gif, png, swf, wmv, avi, wma, mp3, mid, jar, jad, exe, html, htm, css, js, doc 'upload, music files, etc. A php tutorial File Upload instance. It supports txt, rar, zip, jpg, jpeg,

With the Extensible php tutorial feature, the game user log information can be stored remotely. Here I call him tlog (establish a TCP/IP connection with the file server, of course, preferably udp ), currently, three functions are defined.Tlog_init,

The following is a php cache file implementation class. Based on my experience, the cache file is compared with the file generation day and current time based on the time set by the user, then determine whether to regenerate the cache file. */ The

Ob_start ([string output_callback])-open the output bufferAll output information is not directly sent to the browser, but saved in the output buffer. An optional callback function is used to process output result information.Ob_end_flush-end (send)

Php tutorial File Cache instance codeCache is widely used in actual use, which can reduce the access to the server database tutorial and improve the running speed. Currently, many cms Content Management systems frequently use caching mechanisms to

PHP paging instance code php tutorial make page list ID Article Title /** Created on 2010-4-17** Order by Kove Wong*/$ Link = MySQL_connect ('localhost', 'root', 'haoxiazai1987 ');Mysql tutorial _ select_db ('pagelist ');Mysql_query ('set names

There are many ways to operate remote images in php. This article only describes a simple curl. If you want to learn more, if you imitate users, you can refer to other methods on our website. The Code is as follows: Copy code

The article uses charts to show you how to compare the execution time of PHP isset () and empty () functions and the performance is good or bad. If you need them, please take a look at them in detail. Performance testing uses the Benchmark_Iterate

PHP does not detect whether the user is disconnected until it attempts to send messages to the client. Simply using the echo statement cannot ensure message sending. For more information, see flush. The Code is as follows: Copy code

The article first introduces the content structure of the qqwry. dat file, and based on its characteristics, we can write the content that reads the qqwry. dat ip library to find the content we want. First, let's take a look at the content structure

A large number of array sorting functions are introduced in php. Next we will introduce the usage of php array sorting. The array is used as a parameter of the sorting function. After sorting, the array itself changes. The return value of the

Php file online compression code Class PHPZip{Function Zip ($ dir, $ zipfilename){If (@ function_exists ('gzcompress ')){$ Curdir = getcwd ();If (is_array ($ dir )){$ Filelist = $ dir;}Else{$ Filelist = $ this-> GetFileList ($ dir );}If ((! Empty ($

Php automatically collects remote images with image addresses and saves them to the local device. Function my_file_get_contents ($ url, $ timeout = 30 ){If (function_exists ('curl _ init ')){$ Ch = curl_init ();Curl_setopt ($ ch, curlopt_url, $

Php package program (online decompression and online packaging and download source code) This program supports file download and decompression and online compression, so that we can check the online decompression and online packaging and download

Php Image Upload and watermarking (automatically adding watermarks)/* this is a perfect php file upload code. After the image is uploaded successfully, it is automatically added to the image, this greatly improves the watermark effect. Php Tutorial:

Add all *. hlp files from the current folder to the compressed file help.rar. Winrar a help *. hlp You can use the-z switch to add comments from a file.Winrar c -zinfo.txt dummy In this way, we can use the php tutorial to call cmd and run the above

The most commonly used non-Array in PHP does not belong to. How is Array implemented? In PHP, the internal Array is implemented through a hashtable, And the hash conflict is solved using the link method. In this case, the complexity of searching

I wrote another php QQ third-party login SDK program code, which was officially not flattering. The main reason is that QQ's php sdk is too bad. It is purely a popular API knowledge, rather than a class library that can be deployed at hand .. I

This article describes whether the php server supports gzip code. To check whether gzip is supported, you can use the function_exists function to determine whether your php Environment supports ob_gzhandler. If yes, gzip is supported. I wrote a