By Example: CHtml

Comparing #29 with #30

Revision #30 was created by resurtm resurtm on Aug 11, 2011, 8:37:52 AM.

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[...]
array('empty' => '(Select a category'));
```

**Example 5: Generating dropdownlist with option groups.**

If you need to generate dropdownlist using both `optgroup` and `option` tags use the following code.


```php
<div class="cars-select">
<?php echo CHtml::dropDownList('Cars', 'car_id', array(
[...]