yiiapi/framework/web/helpers/CHtml.php

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<?php
/**
 * CHtml class file.
 *
 * @author Qiang Xue <qiang.xue@gmail.com>
 * @link http://www.yiiframework.com/
 * @copyright 2008-2013 Yii Software LLC
 * @license http://www.yiiframework.com/license/
 */


/**
 * CHtml is a static class that provides a collection of helper methods for creating HTML views.
 *
 * Nearly all of the methods in this class allow setting additional html attributes for the html
 * tags they generate. You can specify for example. 'class', 'style'  or 'id' for an html element.
 * For example when using <code>array('class' => 'my-class', 'target' => '_blank')</code> as htmlOptions
 * it will result in the html attributes rendered like this: <code>class="my-class" target="_blank"</code>.
 *
 * @author Qiang Xue <qiang.xue@gmail.com>
 * @package system.web.helpers
 * @since 1.0
 */
class CHtml
{
	const ID_PREFIX='yt';
	/**
	 * @var string the CSS class for displaying error summaries (see {@link errorSummary}).
	 */
	public static $errorSummaryCss='errorSummary';
	/**
	 * @var string the CSS class for displaying error messages (see {@link error}).
	 */
	public static $errorMessageCss='errorMessage';
	/**
	 * @var string the CSS class for highlighting error inputs. Form inputs will be appended
	 * with this CSS class if they have input errors.
	 */
	public static $errorCss='error';
	/**
	 * @var string the tag name for the error container tag. Defaults to 'div'.
	 * @since 1.1.13
	 */
	public static $errorContainerTag='div';
	/**
	 * @var string the CSS class for required labels. Defaults to 'required'.
	 * @see label
	 */
	public static $requiredCss='required';
	/**
	 * @var string the HTML code to be prepended to the required label.
	 * @see label
	 */
	public static $beforeRequiredLabel='';
	/**
	 * @var string the HTML code to be appended to the required label.
	 * @see label
	 */
	public static $afterRequiredLabel=' <span class="required">*</span>';
	/**