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Section 4 -- constructor and Destructor if you declare a function in a class, name it _ construct, this function will be treated as a constructor and executed when an object instance is created. clearly, __is two underscores. like any other function,

Example of using CI to operate multiple databases Function _ construct () { Parent: :__ construct (); $ This-> xx = $ this-> load-> database ('XX', TRUE ); $ This-> load->

In PHP, type inheritance uses the extends keyword and can inherit at most one parent class. PHPMultiple inheritance is not supported. This article mainly introduces PHPIn the class and object (inheritance), the required friends can refer to the

A PHP this,self,parent One of the differences in this article Object-Oriented programming (Oop,object orientedprogramming) has now become a basic skill for programmers. Using the idea of OOP for high-level programming of PHP is significant for

This article mainly share with you the basic part of PHP, PHP class and object-oriented detailed, a total of 10 points, I hope to help the degree to everyone. First, PHP classes and objects name; }} Instantiate a Car object $car = new car ();

: This article mainly introduces the [PC] PHPCMS secondary development guide (I). If you are interested in the PHP Tutorial, please refer to it. Bytes ------------------------------------------------------------------------------------- PHPCMS has

Previously we used a single exception handling function. below I found a very good exception handling system, which not only controls errors but also provides a good interface .? Set_exception _... previously we used a single exception handling

PHP Study Notes 2. you can check it out if you are new to php. 1. arrayThe PHP array is actually an associated array, or a hash table. PHP does not need to declare the array size in advance. you can create an array by directly assigning values. For

This article mainly introduces the CI (CodeIgniter) framework to implement image upload methods. combined with the instance form, it analyzes the related operation skills of calling the file upload class based on CodeIgniter to implement the image

PHP generates the sitemap. xml map function. Copy the code as follows :? Php *** website Map Update Controller ** @ authorGarbin * @ usagenone * classSitemapAppextendsFrontendApp {function _ construct () {$ this-SitemapA The code is as follows: /

PHPSPL usage and its power. SPL, PHP Standard Library (StandardPHPLibrary), which is a built-in component and interface from PHP5.0 and has gradually matured from PHP5.3. In fact, SPL is built into the Standard PHP Library (Standard PHP Library) in

This article describes how to use the smarty template in the Yii Framework. For more information, see the first method. Using the YII system to generate a view is a little troublesome and it is easier to use smarty. Try to add the smarty

Share Common openPNE methods. For more information, see. The code is as follows: 'Asdfgasgsad ');?> This statement contains '_ sidemenu. php' and transmits a series of parameters to its page. you can directly use the value in the $ form

PHP object-oriented programming and design patterns (4 ). PHP advanced programming study notes exceptions are often used to handle various types of errors encountered during normal program execution. For example, when you do database links, you need

Exception handling: Unexpected, unexpected, occurs during the running of the program. use an exception to change the normal process of the script. I. Error handlingException handling: Unexpected, unexpected, occurs during the running of the program.

A php error and exception handling class with very good display results. I. II. implement code replication code :? Php custom exception function set_exception_handler (handle_exception); custom error function set_error_handler 1 ,:

PHP Study Notes II php introduction knowledge point summary, learning php friends can refer. PHP study note 2 1. array The PHP array is actually an associated array, or a hash table. PHP does not need to declare the array size in advance. you can

PHP memory management constructor and Destructor. Friends who are learning PHP for the first time may not know much about PHP destructor. In this article, we will explain the relevant knowledge in detail. I hope my friends who are helpful in

Extended user login verification for Codeigniter. You need to modify My_Controller.php and the logon authentication module User. php of the controller. the code is as follows: login {publicfunction _ construct needs to modify My_Controller.php and

This article mainly introduces the attribute injection and method injection of component behavior in the PHP Yii Framework, including the description of dependency injection. For more information, see Behavior attributes and method injection