Joomla!-开源天空

这是一篇真的好文，原文地址：http://docs.joomla.org/API_Execution_Order，文中指出了前台程序API的关键的执行顺序。

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

学习Joomla!一定看看这篇文章，提纲挈领指出了Joomla!所涉及的各个方面。

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