Difference between #5 and #4 of Our WebApp that will run without downtime during update/upgrade

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Title
WebAppOur WebApp that will running even in
upgraderun without downtime during update/upgrade
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Category
Tutorials
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Tags
tutorial
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Content
How many of us wonder how we can upgrade the website without hurting the
operation of our WebApp?

Even if we put new functionality, change the look and feel of the UI, fixed some
bugs just discover and even if we upgrade the core (Yii Framework itself).

I come up to the idea of remodifying the file structure of the Yii.

Default Structure of the Yii Framework:

	assets/
	css/
	framework/
	images/
	protected/
	themes/
	index.php

- all we need is to transfer the outer folder of the default file structure of
Yii Framework.
      

In our index.php code, we do have.

	<?php

	// change the following paths if necessary

	$yii=dirname(__FILE__).'/framework/yii.php';

	$config=dirname(__FILE__).'/protected/config/main.php';



	// remove the following lines when in production mode

	defined('YII_DEBUG') or define('YII_DEBUG',true);


	// specify how many levels of call stack should be shown in each log message

	defined('YII_TRACE_LEVEL') or define('YII_TRACE_LEVEL',3);



	require_once($yii);

	Yii::createWebApplication($config)->run();

We can actually remodify to it like this.

	assets/
	css/
	yii/
		1.1.8/  	
	images/

	webapp/
		1.0/
	themes/
	index.php

In our code for the index.php with the implementation of the modification of the
file structure

	<?php

	// change the following paths if necessary

	$yii=dirname(__FILE__).'/yii/1.1.8/yii.php';

	$config=dirname(__FILE__).'/webapp/1.0/config/main.php';



	// remove the following lines when in production mode

	defined('YII_DEBUG') or define('YII_DEBUG',true);


	// specify how many levels of call stack should be shown in each log message

	defined('YII_TRACE_LEVEL') or define('YII_TRACE_LEVEL',3);



	require_once($yii);

	Yii::createWebApplication($config)->run();

Explanation:
	In this directory:

	yii/
		1.1.8/

we move the core in the folder 1.1.8 (based on the version of the Framework), so
in this way, we can upgrade the Yii Framework without hurting the operation.

	In our WebApp folder:

	webapp/
		1.0/

	- so in this way, we are working based on the version of the WebApp, we now
rename the folder 'protected' to 'webapp', and then create a
folder based on the version of the webapp, in the example is '1.0' (
in this folder, we put all the subfolders we have 'models, controllers
etc..'.