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PHP design pattern series-Iterator pattern (Iterator) 1. Pattern Definition The Iterator mode is also called the Cursor mode. Provides a method to access each element in a Container object without exposing the internal details of the object. When

Quentin Zervaas, author of the book "Web 2.0 Development," is a simple PHP data Access object mentioned in the book. /** * Databaseobject * * Abstract class used to easily manipulate data in a database table *

A very light PHP database toolkit, born in two days (enough to prove very light).Two classes, one Connection management PDO connection (multi-database support), one quickquery for fast database operation (no back-and-forth between PDO and

QuentinZervaas & amp; apos; sDBO Quentin Zervaas, author of Web 2.0 development practices, is a simple PHP Data Access Object. /** * DatabaseObject * * Abstract class used to easily manipulate data in a

Php redies encapsulation class /** * Redis Operations Support Master/Slave load clusters * * @ Author jackluo */ Class RedisCluster { // Whether to use the M/S read/write Cluster

There are 6,000 keywords, divided into 3 batches. A batch of replacement replace, a batch of encountered need to audit censor, the last batch of encountered on the ban release banned. The Design data table is as follows: mysql> desc tbl_censor;+--

For example: class A { private $value = null; public function __construct() { $this->value = 1; }}class B { private $differentValue = null; public function __construct() { $this->differentValue = 1; }} The roles of A

1, abstract class , using the abstract keyword to decorate a class, this class is an abstract class, if you use the abstract keyword to modify a method, this method is an abstract method, if it is an abstract method can not be implemented (that is,

This payment class is based on official documentation changes! The main implementation of the generation of JS API, native package signature package and native response of the XML format data. Comments are marked with the intent of each method. Due

design Pattern A book introduces design patterns into the software community, the authors of which are Erich Gamma, Richard Helm, Ralph Johnson and John vlissides (commonly known as "gang"). The core concept behind the design pattern described is

How PHP programmers understand dependency injection containers (Dependency injection container) Background KnowledgeThe traditional idea is that the application uses an Foo class, the Foo class is created and the method of the Foo class is called,

Design Design patterns are just for the Java architect--at least you've probably always thought so. In fact, design patterns are very useful for everyone. If these tools are not patents for "architecture astronauts", what are they? Why are they very

Copy CodeThe code is as follows: /** * Policy mode (strategy.php) * * Define a series of algorithms, encapsulate them one by one, and make them interchangeable with each other, and the change in the algorithm can be independent of the client using

Learn PHP (6) object-oriented step by step. But we know that object-oriented has three main features: inheritance, polymorphism, and encapsulation. 1. inheritance we continue the example in the previous section. in PHP, inheritance is the same as

PHP parameter string syntax error I am reading other people's code and find it difficult to pass parameters and single or double quotation marks in strings. I pasted Dongdong, and basically removed the implementation. I used other people's

WML processing --- H_wml.php H_encod = "gb2312"; // set the character encoding (wap page encoding) $ H_wml-> H_head (); // Set the header information $ H_wml-> H_nocah (); // no cache (whether or not the cache is required), you do not need to

In the previous article, we mainly talked about how to create a class and object and some basic usage. In the previous article, we mainly talked about how to create a class and object and some basic usage. But we know that Object-oriented has

PHP database Toolkit A very lightweight PHP database toolkit was born for two days (enough to prove very lightweight ).Two classes: one Connection to manage the PDO Connection (supporting multiple databases) and one QuickQuery to quickly

Copy CodeThe code is as follows: /* * Captcha Class base on PHP GD Lib * @author Design * @version 1.0 * @demo * Include (' captchaclass.php '); * $captchaDemo =new Captcha (); * $captchaDemo->createimage (); */ Class captcha{ @ Define CAPTCHA

In the actual project development often encounter verification code problems, such as landing page, Message page, registration page ... The principle of verification code is very simple: the use of the GD library to create a picture, the image of