PHP

Singleton ModeBy providing access to its own shared instances, the singleton design mode is used to restrict the creation of a specific object only once. Use CasesFor example, database instances generally adopt the singleton mode.The Singleton mode

webjx.com File Upload instance Upfile. php. Function getname ($ exname ){ $ Dir = "./uploadfile /"; $ I = 1; If (! Is_dir ($ dir )){ Mkdir ($ dir, 0777 ); } While (true ){ If (! Is_file ($ dir. $ I. ".". $ exname )){ $ Name = $ I. ".". $

Zheng Wen:Today, I debugged the PHP database Mysql and installed phpMyAdmin database management software on my computer. It was a very simple task, but there were several problems:1/The mcrypt extension cannot be loaded. Check the PHP configuration;2

According to the above directory structure (if not clear, you can refer to the previous article ). I created a simple. php. [Php] require 'des/exceptions. php ';Require 'events des/autoloader. php ';Session_start (); // $ view = new view ();Lib:

This view file is very simple. Ob_start () and ob_get_content () are mainly used. This file is located in the des folder. View. php [Php]Class view {// View type default/wapPublic static $ view_type = null;Public function _ construct (){Ob_start ();}

[Php]// Sort inserts in ascending order$ Insert = array ();For ($ I = 0; I I {$ Insert [$ I] = rand (0,30000 );}// Print_r ($ insert );Function insertsort (& $ arr){// Insert sorting considers the first entry as ordered, so I starts from 1.For ($ I =

First, add a few links to the collected documents.Install and use XdebugResolving xampp xdebug installation failureInstall xdebug in phpMy test results:Not successfully installed in zend_extension mode, can only be used by php to install xdebug:

The so-called CURD. That is, four basic operations (CURD) for database operations: C: create (create), U: update (update), R: read (read), and D: detele (delete ).In ThinkPHP, these methods are not necessarily used. Here we list common methods such

Two days ago, I needed to find the duplicate data in the php array. I summarized the two methods and shared them with you here. Please pay attention to them.(1) Using functions provided by php, array_unique and array_diff_assoc[Php]Function

If you are waiting for a ride, we will not continue the development process today. Let's talk about background language issues that are commonly concerned.After learning Ext JS, I have always stressed that the central idea of learning is "separation

PHP is the preferred language for WEB development by many programmers. In actual development, all the functions of the website can be met by compiling in PHP, such as PHP page Jump. How to obtain the submitted data in the parsing sequence of PHP

We know that Chinese garbled characters are common when Ajax technology is used to interact with the PHP background. JSON is used as a data exchange format similar to XML, when PHP is used for interaction, text garbled characters may also occur. The

Today, a classmate asked me how to set up 404 in brophp. Here I will share some ideas.1. Prepare a 404 page template and put it under the public directory of the root directory. Of course, you can define the path yourself.2. First add this method to

[Php]Define ("RelativePath ",".");Include_once (RelativePath. "/DB_mysql.class.php"); # DB_mysql.class.php in my resources$ Db_mysql = new DB_mysql (); www.2cto.com$ Db_mysql-> set_values ("localhost ","***","***","***");# Eg: "localhost", "root", ""

Encapsulate a verification code classValidationcode. class. phpClass ValidationCode {Private $ width;Private $ height;Private $ codeNum;Private $ image; // image resourcesPrivate $ disturbColorNum;Private $ checkCode;Function _ construct ($ width = 8

Php5.2 and later comes with the json_decode function, but the format requirements for json text strings are very strict. The return value obtained by using this function is NULL. the return value obtained by using the json_last_error () function is

CJuiSliderInput displays a slide. It also encapsulates the JUI slider plug-in and can be used in Form as the UI component for user input. Basic usage: [php] beginWidget ('cactiveform');?> errorSummary ($ model);?> widget ('zii. widgets. jui.

[Php] $ items = array (1 => array ('id' => 1, 'pid '=> 0, 'name' => 'jiangxi '), 2 => array ('id' => 2, 'pid '=> 0, 'name' => 'heilongjiang province '), 3 => array ('id' => 3, 'pid '=> 1, 'name' => 'nanchang City '), 4 => array ('id' => 4, 'pid '=> 2

CJuiSelectable can display a list. Each item in the List supports Select events. It encapsulates the JUI Selectable plug-in. Its basic usage is as follows: [php] clientScript-> registerCss ('selectable', "# selectable {list-style-type: none; margin:

Problem Environment: NginxPHP 5.3.10 as php-fpm extension to nginxmongodb-php-driver 1.2.12MongoDB 2.2 this problem is caused by the official features of MongoDB PHP Driver 1.2.x, please refer to the PHP-202 and PHP-347 description. Simply put, in