PHP

CopyCode The Code is as follows: /** * Decoration Mode * * Dynamically add some additional responsibilities to an object, which is more flexible in terms of the extension function than the subclass generation method. */ Header ("Content-Type:

CopyCode The Code is as follows: /** * Delegation mode example * * @ Create_date: 2010-01-04 */ Class playlist { VaR $ _ songs = array (); VaR $ _ OBJECT = NULL; Function playlist ($ type) { $ Object = $ type. "playlistdelegation "; $ This-> _

Session_unset () Releases all the $ _ Session variables that have been created in the memory, but does not delete the session file or release the corresponding session ID Session_destroy ()Delete the session file corresponding to the current

CopyCode The Code is as follows: // Author: distant expectations // QQ: 15624575 // Algorithm Analysis: 1. It must be an integer sequence. 2. If the whole sequence is not all negative, the first item of the maximum subsequence must be a positive

CopyCode The Code is as follows: /* PHP object-oriented Program Design * * PhP5 * * Array and object: both belong to the PHP compound type (one variable can store multiple units) * * Objects are more powerful than arrays. They not only store

CopyCodeThe Code is as follows: Function array_add ($ A, $ B ){ // Obtain the intersection of two arrays based on the key name $ Arr = array_intersect_key ($ A, $ B ); // Traverse the second array. If the key name does not exist with the first

Mode definition: Facade Pattern: external communication with a sub-system must be performed through a unified appearance object to provide a consistent interface for a group of interfaces in the sub-system, the appearance mode defines a high-level

Copy codeThe Code is as follows: /** * Responsibility chain mode * * To cancel the coupling between the request sender and receiver, multiple objects are used to process the request, connect these objects into a chain, and pass the request along the

Copy codeThe Code is as follows: /** * Intermediary Mode * * An intermediary object is used to encapsulate a series of object interactions, so that each object does not need to be explicitly referenced to make the coupling loose and the interaction

URL jump code 1. Code: For example, if you save it as aaa. php, You can implement aaa. php? Url = www.baidu.com jump to Baidu. This simple call of the default $ _ GET variable. and php default jump Location: 2. instance upgrade: add if

Copy codeThe Code is as follows :#! /Usr/local/bin/php-q Author: freemouse // The description is as follows. Print ("this program is used to merge two. \ n records of 640xxsize "); Print ("image, and convert it to a 400x300 image \ n "); Print

Install IIS 7.0 OpenControl Panel \ Programs and Features \ Turn Windows features on or offIn the displayed dialog box, select the following two options: Click OK. Wait for a moment and IIS installation is complete. Install PHP 5.2.6 1.

Memcache official homepage: http://pecl.php.net/package/memcache Memcached official homepage: http://pecl.php.net/package/memcached The following are the process records for installing the PHP module of the Memcached version: Wget

For example, in PECL, there are two Memcached modules, Memcache and Memcached. Currently, most PHP environments use the Memcache version without d in the name. This version was released earlier, it is a native version, and the corresponding

:PHP code Copy codeThe Code is as follows: website program backup Error_reporting (E_ALL &~ E_NOTICE ); Ini_set ('memory _ limit ', '2048m '); Echo "select the file or directory to be compressed: "; $ Fdir = opendir ('./'); While ($ file =

Copy codeThe Code is as follows: /* * Process Control * * 1. Ordered Structure * 2. Branch Structure-condition structure-select Structure * 1. Single Branch * // Condition bool, true or false, >* If (condition) * Execute the following statement. *

Copy codeThe Code is as follows:/* data types are converted to each other * Forced conversion * SetType (variable, type); // int, integer, float, double, and so on. * This function changes the type of the original variable. You can use var_dump ()

Copy codeThe Code is as follows: /* Array Traversal * * 1. Use the for statement to traverse the array cyclically * 1. Other languages (only in this way) * 2. This method is not the preferred method in PHP. * 3. The array must be an index array and

Index. php Copy codeThe Code is as follows: Online Chat _ A. phpCopy codeThe Code is as follows: Chat Room$ Person = @ $ _ POST [person];$ Msg = @ $ _ POST [message];If ($ person! = "" & $ Msg! = ""){$ Handle = fopen ("msg.txt", "r ");$

Returns an array of all elements in the intersection (only the array is worth comparing). The array_intersect_assoc () function binds the key value and value to compare the intersection part and the array_intersect_key () function () A function is