前台 Joomla! API 執行順序

2008/12/26

Initialisation 初始化

Load once:
```
defines.php
```
Load once:
```
framework.php
```
- Modify configuration options for magic quotes and Zend compatibility
- Check for
```
configuration.php
```
  . Redirect to installation if present or halt.
- Load once:
```
import.php
```
- Load once:
```
configuration.php
```
- Set error reporting
- Load PHP compatibility functions and classes
- Initialise profiler (if debug on)
- Import
```
joomla.application.menu
```
- Import
```
joomla.user.user
```
- Import
```
joomla.environment.uri
```
- Import
```
joomla.html.html
```
- Import
```
joomla.utilities.utility
```
- Import
```
joomla.event.event
```
- Import
```
joomla.event.dispatcher
```
- Import
```
joomla.language.language
```
- Import
```
joomla.utilities.string
```
Profile mark:
```
afterLoad
```

Set global

$mainframe

. Call to

JFactory::getApplication('site')

Create and return instance. Call to
```
JApplication::getInstance
```

Initialise the application. Call to
```
JSite::initialise
```
- Load base language files
- Call to
```
parent::initialise
```
  - First call to
```
JFactory::getUser
```
    (initialises user)
    - Import
```
joomla.user.user
```
    - Create session. Call to
```
JFactory::getSession
```
  - Set editor based on user preference if available
Import the system plugins. Call to
```
JPluginHelper::importPlugin('system')
```
Profile mark: afterInitialise
Trigger events:
```
onAfterInitialise
```

Routing and Authorisation

Route the URI: Call to
```
JSite::route
```
Call to
```
JSite::authorize
```
- Check current menu item access level. Redirect if not logged in. Halt if logged in and not authorised.
Profile mark:
```
afterRoute
```
Trigger events:
```
onAfterRoute
```

Dispatching 分派

Dispatch the component: Call to
```
JSite::dispatch
```
Profile mark:
```
afterDispatch
```
Trigger events:
```
onAfterDispatch
```

Rendering 渲染

Render the page: Call to
```
JSite::render
```
Profile mark:
```
afterRender
```
Trigger events:
```
onAfterRender
```

Echo output: Call to
```
JResponse::toString
```
with option for compressed output