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    <p>Suppose you have this in your config file:</p> <pre><code>... 'components' =&gt; array( 'parameters' =&gt; array( 'class' =&gt; 'path.to.parameters.php', 'applications' =&gt; array( 'productName' =&gt; array( 'tableName' =&gt; 'settings', 'property' =&gt; 'param1' ), ) ), ), ... </code></pre> <p>If you want to have <code>\Yii::app()-&gt;parameters-&gt;productName-&gt;tableName</code> return the value <code>"settings"</code>. Your application component would then have to override the <code>__get</code> magic method to check if <code>$this-&gt;applications</code> contains the <code>"productName"</code> key using <code>isset()</code> and return that key's value as an object instead of an array.</p> <p>The application component would look like this:</p> <pre><code>&lt;?php namespace Sakanade; class parameters extends \CApplicationComponent { public $cacheAll = false; public $dbConnectionId = null; public $applications = array(); public function __get($attr) { // If `$attr` is a key in `$this-&gt;applications`, return that if (is_array($this-&gt;applications) &amp;&amp; isset($this-&gt;applications[$attr])) { // Convert to an object return (object) $this-&gt;applications[$attr]; } // Return the default implementation by CApplicationComponent return parent::__get($attr); } } </code></pre> <p>I tested this by putting this in a controller:</p> <pre><code>$tableName = \Yii::app()-&gt;parameters-&gt;productName-&gt;tableName; print_r($tableName); // prints "settings" </code></pre> <p>Other properties that already exist in the component can be accessed normally:</p> <pre><code>var_dump(\Yii::app()-&gt;parameters-&gt;cacheAll); // false var_dump(\Yii::app()-&gt;parameters-&gt;dbConnectionId); // null </code></pre>
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    1. COThanks, but my idea is to use magic setter and getters in a second level.... supose, `Yii::app()->parameters->productName->product_param1` (this is get), `Yii::app()->parameters->productName->product_param1 = 'something'` (this is set). Since `productName` will be returned by component's msetter/getter, I think I might have to create a model in that instance and return that, and implement magic setters and getters in the created model to actually get/set the parameter in the DB. What you think?
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    2. CO@Jorge I see, so that's what you meant. Yeah, that would be a good idea. You'd probably have to create another class that implements a `__get` and `__set`. If your data is _readonly_, you could get away with converting the array into an object. I updated this answer as an example.
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