ajax+php no refresh two-level linkage pull-down menu (provinces and cities linkage) source code

Ajax.js /*** Ajax No refresh Two-level linkage pull-down menu (provinces and cities linkage)** @author Arcow * @version 1.0* @lastupdate 2005-12-29**/var http_request = false;function Send_request (Url,method) {//initialization, specifying handler

How to configure the FCKeditor editor and upload pictures in PHP

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FCKeditor Official website: http://ckeditor.com/ FCKeditor Download: http://ckeditor.com/download Click to go to my csdn download In the use of PHP to develop a message board, CMS, blogs are involved in the processing of text information, how the

Directory traversal and directory deletion functions in PHP

It's okay, I wrote a list of functions I want to turn off. Includes traversing files under this folder, directory subdirectories reading current files under directories and files delete directory subdirectories under current folder and files above

How to achieve the level three navigation bar effect in PHP

First look at the effect chart: 1. Data configuration file db.php ' About us ', ' two ' => array ( ' Three_tit ' => ' Company introduction ', ' Three_cont ' => array (' Enterprise profile ', '

How to calculate the probability of a lottery in PHP

$proCur) {$randNum = Mt_rand (1, $proSum); if ($randNum array (' ID ' =>1, ' Prize ' => ' 1000000514 ', ' V ' =>2 '), ' 1 ' => array (' ID ' =>2, ' Prize ' => ' 1000000513 ', ' V ' =>5 '), ' 2 ' => array (' ID ' =>3, ' prize ' =

A method of realizing PHP infinite pole classification

Today wrote the next infinite polar classification below the code posted up to write a bad. Method of classify one 0) {echo ""; }else{echo ""; }//if not equal to 0 else{//typeid Find the type_p_id under the id $sql = "select type_p_id

How to delete an empty directory and a null directory from PHP

Steps: 1. Traverse Directory and subdirectories 2. Use Scandir to determine whether the directory is empty, empty, and use rmdir to delete it. Using a shell is a lot simpler: Find target folder-mindepth 1-depth-empty-type d-exec rm-r {} \;

PHP implementation of user online status detection

It is often necessary to detect the user's status when registering for registration. It's a special study today. But there should still be some small loopholes, first share to everyone, slowly improve This is based on the thinkphp framework, others

PHP implementation Bigpipe block output

Principle: Using Ob_flush () and flush () to output the contents of the buffer ahead of time, the browser can load this part of the content early, without waiting for all the output to complete and then load. The content of the page is divided into

How PHP Gets the name of a variable

In PHP, all variables are stored in the hasttable structure of the symbol table, and the scope of the symbols is associated with the active symbol table. Therefore, at the same time, there is only one active symbol table. We want to get to the

Vista and IIS7 installation PHP hands-on guide

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June 27, Microsoft released Virtual Machine additions for Vista Beta 2, I installed it on virutal Server R2 SP1 Beta 1, and finally can play IIS 7. Before installing this version of VM Additions, my Longhorn Server Beta 2 virtual machine has been

Use PHP to get 163 mail messages

?$host = ' pop.163.com ';$port = 110;$user = ' Hu Jintao ';$password = ' Hu Jintao ';if (!) ( $sock =fsockopen (gethostbyname ($host), $port, $errno, $errstr))Exit ($errno. ': '. $errstr);Set_socket_blocking ($sock, true);$msg =fgets ($sock);Echo

The iterator pattern introduced in the PHP design pattern

Object-oriented programming in a class encapsulates the application logic. Class, which is the instantiated object, each individual object has a specific identity and state. A separate object is a useful way to organize your code, but you typically

PHP upload picture with socket

Server side: Set_time_limit (10);* Settings do not show any errors/error_reporting (0);function Varinfo ($STR) {echo "";Var_dump ($STR);echo "";}$commonProtocol = Getprotobyname ("TCP");$socket = Socket_create (Af_inet, Sock_stream, $commonProtocol)

PHP Upload multiple pictures and verify the code

Single picture upload is not complicated, here involves many pictures upload and the picture format of the check, to ensure that the upload must be pictures, to prevent uploading other files to the server. The basic implementation algorithm is to

Developing robust code in PHP: Writing reusable functions, part 3rd

In part 3rd of this series of articles (on how to develop valid PHP code in practice), Amol Hatwar discusses how to build the most efficient functional functions that do not sacrifice too much performance or manageability. The author focuses on how

PHP dynamically adds transparency gradients to a picture

Today because of temporary need, to dynamic in the picture to add transparency gradient effect, on the Internet to find a half-day no corresponding function of the algorithm .... Wrote one of his own: 以下为引用的内容:    ////$strimgsrc =

Three tips for optimizing PHP with Xdebug

Xdebug's 2.0 official edition has been released. This tool is used in PHP code debugging, Optimization effect is very good. Here are some tips for using the process. Xdebug generates profile files that can be viewed with kcachegrind, but this tool

PHP Variable naming recommendations

PHP is a weak type language, if there are many variables in the program, plus PHP many function names are very confusing, chaos on the confusion, see also dazzling. Unified coding style, and even variable naming, is very important in team

PHP File Cache Performance test

Objective: In the process of developing moophp, two of the most common methods of caching were tested in order to find a more efficient way to cache. PHP Common Caching Method: The first type of data that needs to be cached is processed to form

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