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PHP has a few ' trivia ' that it doesn't care about and cares about.If you dare to say that you are proficient in PHP, do not know this series even if you are not proficient. You should also continue to understand the following content.First new

Copy Code code 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

The three main features of facial alignment: encapsulation, inheritance, polymorphism, first of all, a simple understanding of the abstract: When we define a class in the first place, we actually extract the attributes and behaviors that are common

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

PHP implements a method of code reuse, which is called trait-Zhang xiaoliu from PHP 5.4.0 and PHP implements a method of code reuse called trait. Trait is a code reuse mechanism for a single inheritance language similar to PHP. Trait allows

This article mainly introduces the paging class example passed in the codeigniter test. If you need it, refer to the general paging class (tested with Codeigniter) Page_list.php The Code is as follows: /*** Paging class*/Class Page_list { /***

  The Code posted here is intended for those who need it, rather than providing the source code for others. Therefore, we apologize. This algorithm does not use a hash table as a storage container with the traditional 2D array. The advantage of this

'----------------------------------------------------------'Developer:'Development time: 2004.9.9'Function: Use ado.net to obtain the table.'----------------------------------------------------------Imports zy_dataaccessImports systemImports system.

Copy CodeThe code is as follows: /** * Mysqli class */ Class Db_mysqli { protected $mysqli; protected $sql; protected $rs; protected $query _num = 0; protected $fetch _mode = MYSQLI_ASSOC; protected $cache _dir = './cache/'; protected $cache _time =

The session is a more commonly used in PHP, we often use it as a record of global page information, if the user login, background management, there is a common in the shopping cart class, I would like to introduce you. About the application of the

PHP value mysql operation class, php value mysql. PHP value mysql operation class, php value mysql? Php *** CreatedbyPhpStorm. * User: Administrator * Date: 2016627 * Time: 18: 55 * ClassMysqls {private $ table; table private $ opt; publicf PHP

New feature series of modern PHP (II)-Making good use of interfaces is not a new feature of modern PHP, but it is very important to learn to use interfaces, which can greatly improve our programming capabilities, therefore, you should use as many

'---------------------------------------------------------- 'Developer: Zhao Yu 'Development time: 2005.1.13 'Function: Use ADO.net to obtain the table. '---------------------------------------------------------- Imports Zy_DataAccess Imports System

Design mode (20) Visitor mode Visitor (object behavior type)1. Overview During the software development process, for some objects in the system, they are stored in the same collection collection and have different types, and for objects

In PHP, type inheritance uses the extends keyword and can inherit at most one parent class, and PHP does not support multiple inheritance. This article mainly introduces the class and objects in PHP (inheritance), the need for friends can refer to,

In PHP, type inheritance uses the extends keyword and can inherit at most one parent class, and PHP does not support multiple inheritance. This article is mainly to share with you in PHP class and object inheritance in detail, I hope to help

Using interfaces (interface), you can specify which methods a class must implement, but you do not need to define the specifics of these methods. Interfaces are defined by the interface keyword, just like defining a standard class, but all of the

/** * One case * * A farm that sells fruit to the market * There are three kinds of fruit apples and grapes on the farm. * We envision: 1, fruit has a variety of properties, each attribute is different, but they have a

/** * PDO Database * @copyright by GOOGLE */ Class pdo_db { /** * PDO Instance * @var PDO */ protected $_db; /** * PDO Prep Statement * @var pdostatement */ protected $_stmt;

Php pdo database operations A simple PDO class encapsulation .. Learning and communication only PdoDb database class /** * @ Throws Error * PDO database */ Class PdoDb extends DatabaseAbstract