Community Learn Tools Library Leisure
search
English
Home > php教程 > php手册 > 类的引入，引入

类的引入，引入

WBOY
Release： 2016-06-13 08:42:21
Original
984 people have browsed it

类的引入，引入

类的引入

    一个类会单独封装在一个独立的文件中。

类的实例时，类的结构的定义，必须先位于内存中。才可以实例化对象

手动引入：

自动引入：

    当实例化一个类的对象时，由PHP的自动执行机制帮我们引入此类文件。

魔术函数

    __autoload();        自动加载

提示：类名、类文件的名，类文件所在的目录名

作业：自行模拟规则的实现不同目录的类，在同一个文件中进行自动加载

Related labels：
。 Memory definition Example introduce document hour independent of kind structure
source：php.cn
Previous article：php常用的排序算法与二分法查找，php算法二分法 Next article：Windows环境下 配置memcached (php)，memcachedphp
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Latest Articles by Author
Latest Issues
PHP arrays obtained from URL parameters do not behave as expected I have a URL parameter that contains the category ID and I want to treat it as an array li...
From 2024-04-06 22:09:02
0
1
1428
Set a private member of a class as a constructor parameter classFoo{#one#two#three#four#five#six#seven#eight#nine#ten#eleven#twelve#thirteen#fourteen...
From 2024-04-06 21:48:47
0
1
637
The query and formula form the entire table, with new columns, where the new columns are formulas involving other conditional column values EDIT: The formula should be the "value" column - the "value" column wi...
From 2024-04-06 21:23:40
0
2
530
Creating this specific design using a grid: a step-by-step guide I'm trying to create a layout similar to this image, I've tried using this grid but can't ...
From 2024-04-06 20:29:08
0
2
492
Select woocommerce related products using custom taxonomy with 3 level hierarchy I have a woocommerce store with a custom classification of "Sports". The classif...
From 2024-04-06 20:05:30
0
1
544
Related Topics
More>
Popular Recommendations
Popular Tutorials
More>
Related Tutorials
Popular Recommendations
Latest courses
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template