PHP Tutorials

Copy CodeThe code is as follows: /* Data types convert to and from each other * One is a cast * SETTYPE (variable, type); Int,integer,float,double and so on. * This function changes the type of the original variable, using Var_dump (); You can view

However, no one is perfect, plug (pieces) No end plug! Akismet is not perfect, recently, I often in the akismet judged as rubbish in the message found "good people" message, however, sometimes long time on the automatic deletion, loss of valuable

Copy CodeThe code is as follows: /** * Data Access Object Example * * @create_date: 2010-01-04 */ Class Basedao { var $_db = null; var $_table = null; function Basedao ($config) { $this->_db = new MySQLdb (); It's not working here. } /** * Get

Just now on the forum to see a child shoe sharing method, feeling is not very comprehensive, now share under my! Copy CodeThe code is as follows: PHP Page: /* Editor */ Include_once ". /include/fckeditor/fckeditor.php ";//Introduce the

Copy CodeThe code is as follows: /** * Strategy Mode (strategy.php) * * Define a series of algorithms, encapsulate them one by one, and make them interchangeable, and the algorithm used can be changed independently of the customers who use it * */

Copy CodeThe code is as follows: Open File $fp =fopen (' tmp.html ', ' R '); Reading the contents of a file can be done with the following two functions Fread,file_get_contents $str =fread ($fp, FileSize (' tmp.html ')); FileSize to get file

Code optimization Copy CodeThe code is as follows: for ($i =0; $i Array_push ($week, $arr); } Copy CodeThe code is as follows: for ($i =0; $i $week []= $arr [$i]; } So there's no extra burden on the calling function. the advantages and

Copy CodeThe code is as follows: /** * Combination Mode * * Combine objects into a tree structure to represent a "partial-whole" hierarchy that enables customers to have consistent use of individual objects and composite objects */ Abstract class

Enjoy meta-mode English is called "Flyweight pattern", I am very grateful to the Flyweight pattern translated into the model of the strong man, because the word will use this pattern to express the way out, if the translation into a feather scale

Copy CodeThe code is as follows: /** * Broker Mode * * Use a Mediation object to encapsulate a series of object interactions so that the objects do not need to explicitly reference each other so that they are loosely coupled and can independently

However, if the Utf-8 encoding, a Chinese character is 3 characters in length, such as the string $str= "Hello Ah!!"; If you use the Strlen function to judge that the length is 11, just over the length of the varchar, but in fact it is not so, if

First, verify that the server hardware is sufficient to support the current traffic. Ordinary P4 servers generally support up to 100,000 independent IPs per day, if the traffic is larger than this, Then you must first configure a higher-performance

/** * Command mode * * Encapsulate a request as an object so that you can parameterize the customer with different requests, exclude or log request logs, and support actions that can be canceled */ Interface Command { Public function execute

The data table structure for level Two classification is as follows: Copy CodeThe code is as follows:The PHP code is as follows/**@ article category with two levels of classification@ param int $rootnum--Number of first class categories@ param int $

For example, a blog display window Copy CodeThe code is as follows: /********************************************** * Filename:img.php * Author:freemouse * Web:www.cnphp.info * email:freemouse1981@gmail.com * DATE:2010/12/27 * Usage: * * **********

It is verified that the session_start () function must be called before using the Session_destroy () function. This means that you have the following code: Copy the Code code as follows: Session_Start (); Session_destroy (); ?>

Therefore, our main approach is to validate the validity of session ID. The following is the referenced content: Copy CodeThe code is as follows: if (!isset ($_session[' user_agent ')) { $_session[' user_agent '] =$_server[' remote_addr

1: Get the File object 2: Read 2 binary data 3: Simulate HTTP requests, send data (usually troublesome here) Sending data using the Sendasbinary method of the XMLHttpRequest object under Forefox; 4: Perfect Realization Problems encountered Currently

1. Most PHP environments currently use memcache versions with no D, this version is earlier and is a native version, developed entirely within the PHP framework. The corresponding memcached with D is built on the basis of libmemcached, so the

Copy CodeThe code is as follows: Safe filter input [JB] function Check_str ($string, $isurl = False) { $string = preg_replace ('/[\\x00-\\x08\\x0b\\x0c\\x0e-\\x1f]/', ' ', $string); $string = Str_replace (Array ("n", "%00", "\ R"), ",