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32 lines
1.3 KiB
32 lines
1.3 KiB
11 years ago
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Entry Scripts
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=============
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> Note: This chapter is under development.
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Configuring options in the bootstrap file
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-----------------------------------------
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For each application in Yii there is at least one bootstrap file: a PHP script through which all requests are handled. For web applications, the bootstrap file is typically `index.php`; for
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console applications, the bootstrap file is `yii`. Both bootstrap files perform nearly the same job:
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1. Setting common constants.
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2. Including the Yii framework itself.
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3. Including [Composer autoloader](http://getcomposer.org/doc/01-basic-usage.md#autoloading).
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4. Reading the configuration file into `$config`.
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5. Creating a new application instance, configured via `$config`, and running that instance.
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Like any resource in your Yii application, the bootstrap file can be edited to fit your needs. A typical change is to the value of `YII_DEBUG`. This constant should be `true` during development, but always `false` on production sites.
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The default bootstrap structure sets `YII_DEBUG` to `false` if not defined:
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```php
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defined('YII_DEBUG') or define('YII_DEBUG', false);
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```
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During development, you can change this to `true`:
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```php
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define('YII_DEBUG', true); // Development only
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defined('YII_DEBUG') or define('YII_DEBUG', false);
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```
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