Entry script is the bootstrap PHP script that handles user requests initially. It is the only PHP script that end users can directly request to execute.
In most cases, entry script of an Yii application contains the code that is as simple as follows,
// remove the following line when in production mode defined('YII_DEBUG') or define('YII_DEBUG',true); // include Yii bootstrap file require_once('path/to/yii/framework/yii.php'); // create application instance and run $configFile='path/to/config/file.php'; Yii::createWebApplication($configFile)->run();
The script first includes the Yii framework bootstrap file
then creates a Web application instance with the specified configuration
and runs it.
An Yii application can run in either debug or production mode according to
the constant value
YII_DEBUG. By default, this constant value is defined
false, meaning production mode. To run in debug mode, define this
true before including the
yii.php file. Running application
in debug mode is less efficient because it keeps many internal logs. On the
other hand, debug mode is also more helpful during development stage
because it provides richer debugging information when error occurs.
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