PHP + ajax chat room source code! Supports long-polling and timed requests

        LastID = "1"; isposted = mGetTime; (str) {str. replace (/(^ \ s *) | (\ s * $)/g, "str = UE. getEditor ('myeditor '). str = $ ('# mess '). UE. getEditor ('myeditor '). setContent ('', _ getArgs (name, jsFileName = rName = RegExp

PHP download process analysis

Analysis on the process of downloading files from the client server:     Therefore, we need to set the number of bytes read at a time in the php Code. For example, in the following code, we use $ buffer = 1024 to set the number of bytes read at

Php functions to solve json Chinese garbled characters

The php tutorial comes with json_encode to process json data, so they do not support Chinese. Let's take a look at the example below. Echo json_encode (array (123213, 'China ')); {"Platformid": "123213", "userid": "1023", "username": "u00b7u00f0u0

Php Cannot modify header information-headers already sent

This article introduces a variety of solutions for php Cannot modify header information-headers already sent by set. If you need it, refer to it. Set output_buffering to On in the php configuration file php. ini. Enable. Output_buffering = On -------

Differences between global variables and $ GLOBALS [] in PHP

The global variables of PHP are a little different from those of C. In C, global variables take effect in functions unless they are shrouded in local variables. This may cause some problems. Some may carelessly change a global variable. Global

Usage of PHP magic function _ autoload and Some Problems

This article describes a new function of php5. We will introduce the usage and Some Problems of PHP magic function _ autoload, the following summarizes some problems and precautions during usage. _ Autoload () Usage Php Manual Automatically load

Solution to phpMyAdmin import file size limit

The phpMyAdmin of XAMPP has various problems, such as file size limitation and upload timeout. One solution is to modify the configuration file, but what I recommend today is another method-shell command, importing databases more quickly, directly,

Php prompts Notice: Use of undefined constant name-assumed

We know that there are two methods for php to write variables in the array. We will see this prompt that you have written a [name], so there will be a Notice: Use of undefined constant name-assumed name prompt, the solution is described below. How

PhpMyAdmin 3.5.8 hollow white screen solution in Safari

This article will introduce you to phpMyAdmin 3.5.8 in Safari hollow white screen solution, because there is no problem in other browsers, only the Safari browser is blank, so you just need to solve the Safari blank. Add the following line at the

What should I do if the webpage has expired?

Click the back button of IE or the history in the webpage. go (-1), we will see the cache page, but after session_start is used, this function will force the current page not to be cached, resulting in "Warning: the webpage has expired ". Solution 1:

Php Cannot modify header information-headers already sent

When I used cookies yesterday, the page reported the following error: php Cannot modify header information-headers already sent by. Next I will summarize the solution to the error. Code The Code is as follows: Copy code

PHP Spreadsheet_Excel_Reader: Garbled Chinese characters imported into excel

This article will introduce the solutions for PHP spreadsheet_excel_readerimported excelchinese display garbled and files in the .xlsx format that cannot be read. If you encounter such problems, refer. Spreadsheet_Excel_Reader is a common php class

Java storage information php read/write memcache garbled

We use java to write data and then use php to read data. However, when we use php to read data, we find the memcache garbled code problem. Next, I will introduce the solution to memcache garbled code. Java reads php and writes memcache

PHP static page generation

I have seen a lot of friends posting in various places asking PHP about how to generate a static article system. I have done such a system before, so I would like to talk about some ideas for your reference. Now let's review some basic concepts.I.

Php detects server running capabilities

Php detects server running capabilities // Detection Function SupportFunction isfun ($ funName ){Return (false! = Function_exists ($ funName ))? 'Supported ':' not supported ';} // Integer computing capability testFunction test_int (){$ TimeStart =

A self-written UBB Conversion Function

Function ubb2xhtml ($ ubb){$ Flash = Codebase = "http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0" width = "% 1 $ d" height = "% 2 $ d"> END;$ Match = array('% [Url = ([^ s])] (. *?) [/Url] % s ','% [Email = ([^ s])

Use a PHP program to display random ad Images

Reference content is as follows:######## Random ad display ##########Function myads (){$ Dir = "ads"; # Set the directory for storing records// $ Dir = "ads"; # Set the directory for storing records$ Ads = "$ dir/ads.txt"; # Set the ad code file$

Php + ajax implement google search function 1 [original]

// Original Works Original Site: www.111cn.cn Author: Noodle love rabbit QQ: 271728967 Note: Reprint please explain the original out of http://www.111cn.cn // Now there is heavy snow in Changsha, and there is nothing to do when I go home at night. I

Php + ajax implement google search function 2 [original]

// Original Works Original Site: www.111cn.cn Author: Noodle love rabbit QQ: 271728967 Note: Reprint please explain the original out of http://www.111cn.cn //Now let's talk about the post. php file. The post. php file is very simple. It may not

PHP implements the shopping cart code [reusable]

Php shopping cart codePublisher: [longlong16] Time: [2006-11-1] If (! $ Session &&! $ Scid ){$ Session = md5 (uniqid (rand ()));SetCookie (scid, $ session, time () + 14400 );}/* Last number is expiration time in seconds, 14400 sec = 4 hrs */Class

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