CI Source code Analysis of the codeigniter.php

Source: Internet
Author: User
Tags codeigniter

Ci/core/codeigniter.php is the core processing file of the CI framework, and its processing flow is as follows:

1 Require 3 files


2 loading benchmark, and playing time stamp

3 load hooks, and call Hook Pre_system

4 loading config, URI, input, and language

5 Loading and parsing router

6 load and output cached output

7 Require System controller


8 Definition Get_instance () () to Ci_controller::get_instance ()

9 Require a custom controller


Require routing-resolved controller

apppathcontroller/Routing Directory/routing class.php

11 Call Hook Pre_controller

12 Creating a Controller

13 Call Hook Post_controller_constructor

14 calling the Controller's action method

15 Call Hook Post_controller

16 Render output

17 Call Hook Post_system

18 Turn off DB

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CI Source code Analysis of the codeigniter.php

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