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							976 lines
						
					
					
						
							40 KiB
						
					
					
				<?php | 
						|
/** | 
						|
 * @link http://www.yiiframework.com/ | 
						|
 * @copyright Copyright (c) 2008 Yii Software LLC | 
						|
 * @license http://www.yiiframework.com/license/ | 
						|
 */ | 
						|
 | 
						|
namespace yii\util; | 
						|
 | 
						|
use Yii; | 
						|
use yii\base\InvalidParamException; | 
						|
 | 
						|
/** | 
						|
 * Html provides a set of static methods for generating commonly used HTML tags. | 
						|
 * | 
						|
 * @author Qiang Xue <qiang.xue@gmail.com> | 
						|
 * @since 2.0 | 
						|
 */ | 
						|
class Html | 
						|
{ | 
						|
	/** | 
						|
	 * @var boolean whether to close void (empty) elements. Defaults to true. | 
						|
	 * @see voidElements | 
						|
	 */ | 
						|
	public static $closeVoidElements = true; | 
						|
	/** | 
						|
	 * @var array list of void elements (element name => 1) | 
						|
	 * @see closeVoidElements | 
						|
	 * @see http://www.w3.org/TR/html-markup/syntax.html#void-element | 
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	 */ | 
						|
	public static $voidElements = array( | 
						|
		'area' => 1, | 
						|
		'base' => 1, | 
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		'br' => 1, | 
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		'col' => 1, | 
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		'command' => 1, | 
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		'embed' => 1, | 
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		'hr' => 1, | 
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		'img' => 1, | 
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		'input' => 1, | 
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		'keygen' => 1, | 
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		'link' => 1, | 
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		'meta' => 1, | 
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		'param' => 1, | 
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		'source' => 1, | 
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		'track' => 1, | 
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		'wbr' => 1, | 
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	); | 
						|
	/** | 
						|
	 * @var boolean whether to show the values of boolean attributes in element tags. | 
						|
	 * If false, only the attribute names will be generated. | 
						|
	 * @see booleanAttributes | 
						|
	 */ | 
						|
	public static $showBooleanAttributeValues = true; | 
						|
	/** | 
						|
	 * @var array list of boolean attributes. The presence of a boolean attribute on | 
						|
	 * an element represents the true value, and the absence of the attribute represents the false value. | 
						|
	 * @see showBooleanAttributeValues | 
						|
	 * @see http://www.w3.org/TR/html5/infrastructure.html#boolean-attributes | 
						|
	 */ | 
						|
	public static $booleanAttributes = array( | 
						|
		'async' => 1, | 
						|
		'autofocus' => 1, | 
						|
		'autoplay' => 1, | 
						|
		'checked' => 1, | 
						|
		'controls' => 1, | 
						|
		'declare' => 1, | 
						|
		'default' => 1, | 
						|
		'defer' => 1, | 
						|
		'disabled' => 1, | 
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		'formnovalidate' => 1, | 
						|
		'hidden' => 1, | 
						|
		'ismap' => 1, | 
						|
		'loop' => 1, | 
						|
		'multiple' => 1, | 
						|
		'muted' => 1, | 
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		'nohref' => 1, | 
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		'noresize' => 1, | 
						|
		'novalidate' => 1, | 
						|
		'open' => 1, | 
						|
		'readonly' => 1, | 
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		'required' => 1, | 
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		'reversed' => 1, | 
						|
		'scoped' => 1, | 
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		'seamless' => 1, | 
						|
		'selected' => 1, | 
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		'typemustmatch' => 1, | 
						|
	); | 
						|
	/** | 
						|
	 * @var array the preferred order of attributes in a tag. This mainly affects the order of the attributes | 
						|
	 * that are rendered by [[renderAttributes()]]. | 
						|
	 */ | 
						|
	public static $attributeOrder = array( | 
						|
		'type', | 
						|
		'id', | 
						|
		'class', | 
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		'name', | 
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		'value', | 
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 | 
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		'href', | 
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		'src', | 
						|
		'action', | 
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		'method', | 
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 | 
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		'selected', | 
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		'checked', | 
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		'readonly', | 
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		'disabled', | 
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		'multiple', | 
						|
 | 
						|
		'size', | 
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		'maxlength', | 
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		'width', | 
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		'height', | 
						|
		'rows', | 
						|
		'cols', | 
						|
 | 
						|
		'alt', | 
						|
		'title', | 
						|
		'rel', | 
						|
		'media', | 
						|
	); | 
						|
 | 
						|
	/** | 
						|
	 * Encodes special characters into HTML entities. | 
						|
	 * The [[yii\base\Application::charset|application charset]] will be used for encoding. | 
						|
	 * @param string $content the content to be encoded | 
						|
	 * @return string the encoded content | 
						|
	 * @see decode | 
						|
	 * @see http://www.php.net/manual/en/function.htmlspecialchars.php | 
						|
	 */ | 
						|
	public static function encode($content) | 
						|
	{ | 
						|
		return htmlspecialchars($content, ENT_QUOTES, Yii::$app->charset); | 
						|
	} | 
						|
 | 
						|
	/** | 
						|
	 * Decodes special HTML entities back to the corresponding characters. | 
						|
	 * This is the opposite of [[encode()]]. | 
						|
	 * @param string $content the content to be decoded | 
						|
	 * @return string the decoded content | 
						|
	 * @see encode | 
						|
	 * @see http://www.php.net/manual/en/function.htmlspecialchars-decode.php | 
						|
	 */ | 
						|
	public static function decode($content) | 
						|
	{ | 
						|
		return htmlspecialchars_decode($content, ENT_QUOTES); | 
						|
	} | 
						|
 | 
						|
	/** | 
						|
	 * Generates a complete HTML tag. | 
						|
	 * @param string $name the tag name | 
						|
	 * @param string $content the content to be enclosed between the start and end tags. It will not be HTML-encoded. | 
						|
	 * If this is coming from end users, you should consider [[encode()]] it to prevent XSS attacks. | 
						|
	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as | 
						|
	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. | 
						|
	 * If a value is null, the corresponding attribute will not be rendered. | 
						|
	 * @return string the generated HTML tag | 
						|
	 * @see beginTag | 
						|
	 * @see endTag | 
						|
	 */ | 
						|
	public static function tag($name, $content = '', $options = array()) | 
						|
	{ | 
						|
		$html = '<' . $name . static::renderTagAttributes($options); | 
						|
		if (isset(static::$voidElements[strtolower($name)])) { | 
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			return $html . (static::$closeVoidElements ? ' />' : '>'); | 
						|
		} else { | 
						|
			return $html . ">$content</$name>"; | 
						|
		} | 
						|
	} | 
						|
 | 
						|
	/** | 
						|
	 * Generates a start tag. | 
						|
	 * @param string $name the tag name | 
						|
	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as | 
						|
	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. | 
						|
	 * If a value is null, the corresponding attribute will not be rendered. | 
						|
	 * @return string the generated start tag | 
						|
	 * @see endTag | 
						|
	 * @see tag | 
						|
	 */ | 
						|
	public static function beginTag($name, $options = array()) | 
						|
	{ | 
						|
		return '<' . $name . static::renderTagAttributes($options) . '>'; | 
						|
	} | 
						|
 | 
						|
	/** | 
						|
	 * Generates an end tag. | 
						|
	 * @param string $name the tag name | 
						|
	 * @return string the generated end tag | 
						|
	 * @see beginTag | 
						|
	 * @see tag | 
						|
	 */ | 
						|
	public static function endTag($name) | 
						|
	{ | 
						|
		return "</$name>"; | 
						|
	} | 
						|
 | 
						|
	/** | 
						|
	 * Encloses the given content within a CDATA tag. | 
						|
	 * @param string $content the content to be enclosed within the CDATA tag | 
						|
	 * @return string the CDATA tag with the enclosed content. | 
						|
	 */ | 
						|
	public static function cdata($content) | 
						|
	{ | 
						|
		return '<![CDATA[' . $content . ']]>'; | 
						|
	} | 
						|
 | 
						|
	/** | 
						|
	 * Generates a style tag. | 
						|
	 * @param string $content the style content | 
						|
	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as | 
						|
	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. | 
						|
	 * If a value is null, the corresponding attribute will not be rendered. | 
						|
	 * If the options does not contain "type", a "type" attribute with value "text/css" will be used. | 
						|
	 * @return string the generated style tag | 
						|
	 */ | 
						|
	public static function style($content, $options = array()) | 
						|
	{ | 
						|
		if (!isset($options['type'])) { | 
						|
			$options['type'] = 'text/css'; | 
						|
		} | 
						|
		return static::tag('style', "/*<![CDATA[*/\n{$content}\n/*]]>*/", $options); | 
						|
	} | 
						|
 | 
						|
	/** | 
						|
	 * Generates a script tag. | 
						|
	 * @param string $content the script content | 
						|
	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as | 
						|
	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. | 
						|
	 * If a value is null, the corresponding attribute will not be rendered. | 
						|
	 * If the options does not contain "type", a "type" attribute with value "text/javascript" will be rendered. | 
						|
	 * @return string the generated script tag | 
						|
	 */ | 
						|
	public static function script($content, $options = array()) | 
						|
	{ | 
						|
		if (!isset($options['type'])) { | 
						|
			$options['type'] = 'text/javascript'; | 
						|
		} | 
						|
		return static::tag('script', "/*<![CDATA[*/\n{$content}\n/*]]>*/", $options); | 
						|
	} | 
						|
 | 
						|
	/** | 
						|
	 * Generates a link tag that refers to an external CSS file. | 
						|
	 * @param array|string $url the URL of the external CSS file. This parameter will be processed by [[url()]]. | 
						|
	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as | 
						|
	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. | 
						|
	 * If a value is null, the corresponding attribute will not be rendered. | 
						|
	 * @return string the generated link tag | 
						|
	 * @see url | 
						|
	 */ | 
						|
	public static function cssFile($url, $options = array()) | 
						|
	{ | 
						|
		$options['rel'] = 'stylesheet'; | 
						|
		$options['type'] = 'text/css'; | 
						|
		$options['href'] = static::url($url); | 
						|
		return static::tag('link', '', $options); | 
						|
	} | 
						|
 | 
						|
	/** | 
						|
	 * Generates a script tag that refers to an external JavaScript file. | 
						|
	 * @param string $url the URL of the external JavaScript file. This parameter will be processed by [[url()]]. | 
						|
	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as | 
						|
	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. | 
						|
	 * If a value is null, the corresponding attribute will not be rendered. | 
						|
	 * @return string the generated script tag | 
						|
	 * @see url | 
						|
	 */ | 
						|
	public static function jsFile($url, $options = array()) | 
						|
	{ | 
						|
		$options['type'] = 'text/javascript'; | 
						|
		$options['src'] = static::url($url); | 
						|
		return static::tag('script', '', $options); | 
						|
	} | 
						|
 | 
						|
	/** | 
						|
	 * Generates a form start tag. | 
						|
	 * @param array|string $action the form action URL. This parameter will be processed by [[url()]]. | 
						|
	 * @param string $method the form submission method, either "post" or "get" (case-insensitive) | 
						|
	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as | 
						|
	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. | 
						|
	 * If a value is null, the corresponding attribute will not be rendered. | 
						|
	 * @return string the generated form start tag. | 
						|
	 * @see endForm | 
						|
	 */ | 
						|
	public static function beginForm($action = '', $method = 'post', $options = array()) | 
						|
	{ | 
						|
		$action = static::url($action); | 
						|
 | 
						|
		// query parameters in the action are ignored for GET method | 
						|
		// we use hidden fields to add them back | 
						|
		$hiddens = array(); | 
						|
		if (!strcasecmp($method, 'get') && ($pos = strpos($action, '?')) !== false) { | 
						|
			foreach (explode('&', substr($action, $pos + 1)) as $pair) { | 
						|
				if (($pos1 = strpos($pair, '=')) !== false) { | 
						|
					$hiddens[] = static::hiddenInput(urldecode(substr($pair, 0, $pos1)), urldecode(substr($pair, $pos1 + 1))); | 
						|
				} else { | 
						|
					$hiddens[] = static::hiddenInput(urldecode($pair), ''); | 
						|
				} | 
						|
			} | 
						|
			$action = substr($action, 0, $pos); | 
						|
		} | 
						|
 | 
						|
		$options['action'] = $action; | 
						|
		$options['method'] = $method; | 
						|
		$form = static::beginTag('form', $options); | 
						|
		if ($hiddens !== array()) { | 
						|
			$form .= "\n" . implode("\n", $hiddens); | 
						|
		} | 
						|
 | 
						|
		return $form; | 
						|
	} | 
						|
 | 
						|
	/** | 
						|
	 * Generates a form end tag. | 
						|
	 * @return string the generated tag | 
						|
	 * @see beginForm | 
						|
	 */ | 
						|
	public static function endForm() | 
						|
	{ | 
						|
		return '</form>'; | 
						|
	} | 
						|
 | 
						|
	/** | 
						|
	 * Generates a hyperlink tag. | 
						|
	 * @param string $text link body. It will NOT be HTML-encoded. Therefore you can pass in HTML code | 
						|
	 * such as an image tag. If this is is coming from end users, you should consider [[encode()]] | 
						|
	 * it to prevent XSS attacks. | 
						|
	 * @param array|string|null $url the URL for the hyperlink tag. This parameter will be processed by [[url()]] | 
						|
	 * and will be used for the "href" attribute of the tag. If this parameter is null, the "href" attribute | 
						|
	 * will not be generated. | 
						|
	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as | 
						|
	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. | 
						|
	 * If a value is null, the corresponding attribute will not be rendered. | 
						|
	 * @return string the generated hyperlink | 
						|
	 * @see url | 
						|
	 */ | 
						|
	public static function a($text, $url = null, $options = array()) | 
						|
	{ | 
						|
		if ($url !== null) { | 
						|
			$options['href'] = static::url($url); | 
						|
		} | 
						|
		return static::tag('a', $text, $options); | 
						|
	} | 
						|
 | 
						|
	/** | 
						|
	 * Generates a mailto hyperlink. | 
						|
	 * @param string $text link body. It will NOT be HTML-encoded. Therefore you can pass in HTML code | 
						|
	 * such as an image tag. If this is is coming from end users, you should consider [[encode()]] | 
						|
	 * it to prevent XSS attacks. | 
						|
	 * @param string $email email address. If this is null, the first parameter (link body) will be treated | 
						|
	 * as the email address and used. | 
						|
	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as | 
						|
	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. | 
						|
	 * If a value is null, the corresponding attribute will not be rendered. | 
						|
	 * @return string the generated mailto link | 
						|
	 */ | 
						|
	public static function mailto($text, $email = null, $options = array()) | 
						|
	{ | 
						|
		return static::a($text, 'mailto:' . ($email === null ? $text : $email), $options); | 
						|
	} | 
						|
 | 
						|
	/** | 
						|
	 * Generates an image tag. | 
						|
	 * @param string $src the image URL. This parameter will be processed by [[url()]]. | 
						|
	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as | 
						|
	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. | 
						|
	 * If a value is null, the corresponding attribute will not be rendered. | 
						|
	 * @return string the generated image tag | 
						|
	 */ | 
						|
	public static function img($src, $options = array()) | 
						|
	{ | 
						|
		$options['src'] = static::url($src); | 
						|
		if (!isset($options['alt'])) { | 
						|
			$options['alt'] = ''; | 
						|
		} | 
						|
		return static::tag('img', null, $options); | 
						|
	} | 
						|
 | 
						|
	/** | 
						|
	 * Generates a label tag. | 
						|
	 * @param string $content label text. It will NOT be HTML-encoded. Therefore you can pass in HTML code | 
						|
	 * such as an image tag. If this is is coming from end users, you should consider [[encode()]] | 
						|
	 * it to prevent XSS attacks. | 
						|
	 * @param string $for the ID of the HTML element that this label is associated with. | 
						|
	 * If this is null, the "for" attribute will not be generated. | 
						|
	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as | 
						|
	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. | 
						|
	 * If a value is null, the corresponding attribute will not be rendered. | 
						|
	 * @return string the generated label tag | 
						|
	 */ | 
						|
	public static function label($content, $for = null, $options = array()) | 
						|
	{ | 
						|
		$options['for'] = $for; | 
						|
		return static::tag('label', $content, $options); | 
						|
	} | 
						|
 | 
						|
	/** | 
						|
	 * Generates a button tag. | 
						|
	 * @param string $name the name attribute. If it is null, the name attribute will not be generated. | 
						|
	 * @param string $value the value attribute. If it is null, the value attribute will not be generated. | 
						|
	 * @param string $content the content enclosed within the button tag. It will NOT be HTML-encoded. | 
						|
	 * Therefore you can pass in HTML code such as an image tag. If this is is coming from end users, | 
						|
	 * you should consider [[encode()]] it to prevent XSS attacks. | 
						|
	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as | 
						|
	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. | 
						|
	 * If a value is null, the corresponding attribute will not be rendered. | 
						|
	 * If the options does not contain "type", a "type" attribute with value "button" will be rendered. | 
						|
	 * @return string the generated button tag | 
						|
	 */ | 
						|
	public static function button($name = null, $value = null, $content = 'Button', $options = array()) | 
						|
	{ | 
						|
		$options['name'] = $name; | 
						|
		$options['value'] = $value; | 
						|
		if (!isset($options['type'])) { | 
						|
			$options['type'] = 'button'; | 
						|
		} | 
						|
		return static::tag('button', $content, $options); | 
						|
	} | 
						|
 | 
						|
	/** | 
						|
	 * Generates a submit button tag. | 
						|
	 * @param string $name the name attribute. If it is null, the name attribute will not be generated. | 
						|
	 * @param string $value the value attribute. If it is null, the value attribute will not be generated. | 
						|
	 * @param string $content the content enclosed within the button tag. It will NOT be HTML-encoded. | 
						|
	 * Therefore you can pass in HTML code such as an image tag. If this is is coming from end users, | 
						|
	 * you should consider [[encode()]] it to prevent XSS attacks. | 
						|
	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as | 
						|
	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. | 
						|
	 * If a value is null, the corresponding attribute will not be rendered. | 
						|
	 * @return string the generated submit button tag | 
						|
	 */ | 
						|
	public static function submitButton($name = null, $value = null, $content = 'Submit', $options = array()) | 
						|
	{ | 
						|
		$options['type'] = 'submit'; | 
						|
		return static::button($name, $value, $content, $options); | 
						|
	} | 
						|
 | 
						|
	/** | 
						|
	 * Generates a reset button tag. | 
						|
	 * @param string $name the name attribute. If it is null, the name attribute will not be generated. | 
						|
	 * @param string $value the value attribute. If it is null, the value attribute will not be generated. | 
						|
	 * @param string $content the content enclosed within the button tag. It will NOT be HTML-encoded. | 
						|
	 * Therefore you can pass in HTML code such as an image tag. If this is is coming from end users, | 
						|
	 * you should consider [[encode()]] it to prevent XSS attacks. | 
						|
	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as | 
						|
	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. | 
						|
	 * If a value is null, the corresponding attribute will not be rendered. | 
						|
	 * @return string the generated reset button tag | 
						|
	 */ | 
						|
	public static function resetButton($name = null, $value = null, $content = 'Reset', $options = array()) | 
						|
	{ | 
						|
		$options['type'] = 'reset'; | 
						|
		return static::button($name, $value, $content, $options); | 
						|
	} | 
						|
 | 
						|
	/** | 
						|
	 * Generates an input type of the given type. | 
						|
	 * @param string $type the type attribute. | 
						|
	 * @param string $name the name attribute. If it is null, the name attribute will not be generated. | 
						|
	 * @param string $value the value attribute. If it is null, the value attribute will not be generated. | 
						|
	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as | 
						|
	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. | 
						|
	 * If a value is null, the corresponding attribute will not be rendered. | 
						|
	 * @return string the generated input tag | 
						|
	 */ | 
						|
	public static function input($type, $name = null, $value = null, $options = array()) | 
						|
	{ | 
						|
		$options['type'] = $type; | 
						|
		$options['name'] = $name; | 
						|
		$options['value'] = $value; | 
						|
		return static::tag('input', null, $options); | 
						|
	} | 
						|
 | 
						|
	/** | 
						|
	 * Generates an input button. | 
						|
	 * @param string $name the name attribute. | 
						|
	 * @param string $value the value attribute. If it is null, the value attribute will not be generated. | 
						|
	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as | 
						|
	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. | 
						|
	 * If a value is null, the corresponding attribute will not be rendered. | 
						|
	 * @return string the generated button tag | 
						|
	 */ | 
						|
	public static function buttonInput($name, $value = 'Button', $options = array()) | 
						|
	{ | 
						|
		return static::input('button', $name, $value, $options); | 
						|
	} | 
						|
 | 
						|
	/** | 
						|
	 * Generates a submit input button. | 
						|
	 * @param string $name the name attribute. If it is null, the name attribute will not be generated. | 
						|
	 * @param string $value the value attribute. If it is null, the value attribute will not be generated. | 
						|
	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as | 
						|
	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. | 
						|
	 * If a value is null, the corresponding attribute will not be rendered. | 
						|
	 * @return string the generated button tag | 
						|
	 */ | 
						|
	public static function submitInput($name = null, $value = 'Submit', $options = array()) | 
						|
	{ | 
						|
		return static::input('submit', $name, $value, $options); | 
						|
	} | 
						|
 | 
						|
	/** | 
						|
	 * Generates a reset input button. | 
						|
	 * @param string $name the name attribute. If it is null, the name attribute will not be generated. | 
						|
	 * @param string $value the value attribute. If it is null, the value attribute will not be generated. | 
						|
	 * @param array $options the attributes of the button tag. The values will be HTML-encoded using [[encode()]]. | 
						|
	 * Attributes whose value is null will be ignored and not put in the tag returned. | 
						|
	 * @return string the generated button tag | 
						|
	 */ | 
						|
	public static function resetInput($name = null, $value = 'Reset', $options = array()) | 
						|
	{ | 
						|
		return static::input('reset', $name, $value, $options); | 
						|
	} | 
						|
 | 
						|
	/** | 
						|
	 * Generates a text input field. | 
						|
	 * @param string $name the name attribute. | 
						|
	 * @param string $value the value attribute. If it is null, the value attribute will not be generated. | 
						|
	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as | 
						|
	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. | 
						|
	 * If a value is null, the corresponding attribute will not be rendered. | 
						|
	 * @return string the generated button tag | 
						|
	 */ | 
						|
	public static function textInput($name, $value = null, $options = array()) | 
						|
	{ | 
						|
		return static::input('text', $name, $value, $options); | 
						|
	} | 
						|
 | 
						|
	/** | 
						|
	 * Generates a hidden input field. | 
						|
	 * @param string $name the name attribute. | 
						|
	 * @param string $value the value attribute. If it is null, the value attribute will not be generated. | 
						|
	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as | 
						|
	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. | 
						|
	 * If a value is null, the corresponding attribute will not be rendered. | 
						|
	 * @return string the generated button tag | 
						|
	 */ | 
						|
	public static function hiddenInput($name, $value = null, $options = array()) | 
						|
	{ | 
						|
		return static::input('hidden', $name, $value, $options); | 
						|
	} | 
						|
 | 
						|
	/** | 
						|
	 * Generates a password input field. | 
						|
	 * @param string $name the name attribute. | 
						|
	 * @param string $value the value attribute. If it is null, the value attribute will not be generated. | 
						|
	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as | 
						|
	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. | 
						|
	 * If a value is null, the corresponding attribute will not be rendered. | 
						|
	 * @return string the generated button tag | 
						|
	 */ | 
						|
	public static function passwordInput($name, $value = null, $options = array()) | 
						|
	{ | 
						|
		return static::input('password', $name, $value, $options); | 
						|
	} | 
						|
 | 
						|
	/** | 
						|
	 * Generates a file input field. | 
						|
	 * To use a file input field, you should set the enclosing form's "enctype" attribute to | 
						|
	 * be "multipart/form-data". After the form is submitted, the uploaded file information | 
						|
	 * can be obtained via $_FILES[$name] (see PHP documentation). | 
						|
	 * @param string $name the name attribute. | 
						|
	 * @param string $value the value attribute. If it is null, the value attribute will not be generated. | 
						|
	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as | 
						|
	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. | 
						|
	 * If a value is null, the corresponding attribute will not be rendered. | 
						|
	 * @return string the generated button tag | 
						|
	 */ | 
						|
	public static function fileInput($name, $value = null, $options = array()) | 
						|
	{ | 
						|
		return static::input('file', $name, $value, $options); | 
						|
	} | 
						|
 | 
						|
	/** | 
						|
	 * Generates a text area input. | 
						|
	 * @param string $name the input name | 
						|
	 * @param string $value the input value. Note that it will be encoded using [[encode()]]. | 
						|
	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as | 
						|
	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. | 
						|
	 * If a value is null, the corresponding attribute will not be rendered. | 
						|
	 * @return string the generated text area tag | 
						|
	 */ | 
						|
	public static function textarea($name, $value = '', $options = array()) | 
						|
	{ | 
						|
		$options['name'] = $name; | 
						|
		return static::tag('textarea', static::encode($value), $options); | 
						|
	} | 
						|
 | 
						|
	/** | 
						|
	 * Generates a radio button input. | 
						|
	 * @param string $name the name attribute. | 
						|
	 * @param boolean $checked whether the radio button should be checked. | 
						|
	 * @param string $value the value attribute. If it is null, the value attribute will not be rendered. | 
						|
	 * @param array $options the tag options in terms of name-value pairs. The following options are supported: | 
						|
	 * | 
						|
	 * - uncheck: string, the value associated with the uncheck state of the radio button. When this attribute | 
						|
	 *   is present, a hidden input will be generated so that if the radio button is not checked and is submitted, | 
						|
	 *   the value of this attribute will still be submitted to the server via the hidden input. | 
						|
	 * | 
						|
	 * The rest of the options will be rendered as the attributes of the resulting tag. The values will  | 
						|
	 * be HTML-encoded using [[encode()]]. If a value is null, the corresponding attribute will not be rendered. | 
						|
	 * | 
						|
	 * @return string the generated radio button tag | 
						|
	 */ | 
						|
	public static function radio($name, $checked = false, $value = '1', $options = array()) | 
						|
	{ | 
						|
		$options['checked'] = $checked; | 
						|
		$options['value'] = $value; | 
						|
		if (isset($options['uncheck'])) { | 
						|
			// add a hidden field so that if the radio button is not selected, it still submits a value | 
						|
			$hidden = static::hiddenInput($name, $options['uncheck']); | 
						|
			unset($options['uncheck']); | 
						|
		} else { | 
						|
			$hidden = ''; | 
						|
		} | 
						|
		return $hidden . static::input('radio', $name, $value, $options); | 
						|
	} | 
						|
 | 
						|
	/** | 
						|
	 * Generates a checkbox input. | 
						|
	 * @param string $name the name attribute. | 
						|
	 * @param boolean $checked whether the checkbox should be checked. | 
						|
	 * @param string $value the value attribute. If it is null, the value attribute will not be rendered. | 
						|
	 * @param array $options the tag options in terms of name-value pairs. The following options are supported: | 
						|
	 * | 
						|
	 * - uncheck: string, the value associated with the uncheck state of the checkbox. When this attribute | 
						|
	 *   is present, a hidden input will be generated so that if the checkbox is not checked and is submitted, | 
						|
	 *   the value of this attribute will still be submitted to the server via the hidden input. | 
						|
	 * | 
						|
	 * The rest of the options will be rendered as the attributes of the resulting tag. The values will  | 
						|
	 * be HTML-encoded using [[encode()]]. If a value is null, the corresponding attribute will not be rendered. | 
						|
	 * | 
						|
	 * @return string the generated checkbox tag | 
						|
	 */ | 
						|
	public static function checkbox($name, $checked = false, $value = '1', $options = array()) | 
						|
	{ | 
						|
		$options['checked'] = $checked; | 
						|
		$options['value'] = $value; | 
						|
		if (isset($options['uncheck'])) { | 
						|
			// add a hidden field so that if the checkbox is not selected, it still submits a value | 
						|
			$hidden = static::hiddenInput($name, $options['uncheck']); | 
						|
			unset($options['uncheck']); | 
						|
		} else { | 
						|
			$hidden = ''; | 
						|
		} | 
						|
		return $hidden . static::input('checkbox', $name, $value, $options); | 
						|
	} | 
						|
 | 
						|
	/** | 
						|
	 * Generates a drop-down list. | 
						|
	 * @param string $name the input name | 
						|
	 * @param string $selection the selected value | 
						|
	 * @param array $items the option data items. The array keys are option values, and the array values | 
						|
	 * are the corresponding option labels. The array can also be nested (i.e. some array values are arrays too). | 
						|
	 * For each sub-array, an option group will be generated whose label is the key associated with the sub-array. | 
						|
	 * If you have a list of data models, you may convert them into the format described above using | 
						|
	 * [[\yii\util\ArrayHelper::map()]]. | 
						|
	 * | 
						|
	 * Note, the values and labels will be automatically HTML-encoded by this method, and the blank spaces in | 
						|
	 * the labels will also be HTML-encoded. | 
						|
	 * @param array $options the tag options in terms of name-value pairs. The following options are supported: | 
						|
	 * | 
						|
	 * - prompt: string, a prompt text to be displayed as the first option; | 
						|
	 * - options: array, the attributes for the select option tags. The array keys must be valid option values, | 
						|
	 *   and the array values are the extra attributes for the corresponding option tags. For example, | 
						|
	 * | 
						|
	 * ~~~ | 
						|
	 * array( | 
						|
	 *     'value1' => array('disabled' => true), | 
						|
	 *     'value2' => array('label' => 'value 2'), | 
						|
	 * ); | 
						|
	 * ~~~ | 
						|
	 * | 
						|
	 * - groups: array, the attributes for the optgroup tags. The structure of this is similar to that of 'options', | 
						|
	 *   except that the array keys represent the optgroup labels specified in $items. | 
						|
	 * | 
						|
	 * The rest of the options will be rendered as the attributes of the resulting tag. The values will  | 
						|
	 * be HTML-encoded using [[encode()]]. If a value is null, the corresponding attribute will not be rendered. | 
						|
	 *  | 
						|
	 * @return string the generated drop-down list tag | 
						|
	 */ | 
						|
	public static function dropDownList($name, $selection = null, $items = array(), $options = array()) | 
						|
	{ | 
						|
		$options['name'] = $name; | 
						|
		$selectOptions = static::renderSelectOptions($selection, $items, $options); | 
						|
		return static::tag('select', "\n" . $selectOptions . "\n", $options); | 
						|
	} | 
						|
 | 
						|
	/** | 
						|
	 * Generates a list box. | 
						|
	 * @param string $name the input name | 
						|
	 * @param string|array $selection the selected value(s) | 
						|
	 * @param array $items the option data items. The array keys are option values, and the array values | 
						|
	 * are the corresponding option labels. The array can also be nested (i.e. some array values are arrays too). | 
						|
	 * For each sub-array, an option group will be generated whose label is the key associated with the sub-array. | 
						|
	 * If you have a list of data models, you may convert them into the format described above using | 
						|
	 * [[\yii\util\ArrayHelper::map()]]. | 
						|
	 * | 
						|
	 * Note, the values and labels will be automatically HTML-encoded by this method, and the blank spaces in | 
						|
	 * the labels will also be HTML-encoded. | 
						|
	 * @param array $options the tag options in terms of name-value pairs. The following options are supported: | 
						|
	 * | 
						|
	 * - prompt: string, a prompt text to be displayed as the first option; | 
						|
	 * - options: array, the attributes for the select option tags. The array keys must be valid option values, | 
						|
	 *   and the array values are the extra attributes for the corresponding option tags. For example, | 
						|
	 * | 
						|
	 * ~~~ | 
						|
	 * array( | 
						|
	 *     'value1' => array('disabled' => true), | 
						|
	 *     'value2' => array('label' => 'value 2'), | 
						|
	 * ); | 
						|
	 * ~~~ | 
						|
	 * | 
						|
	 * - groups: array, the attributes for the optgroup tags. The structure of this is similar to that of 'options', | 
						|
	 *   except that the array keys represent the optgroup labels specified in $items. | 
						|
	 * - unselect: string, the value that will be submitted when no option is selected. | 
						|
	 *   When this attribute is set, a hidden field will be generated so that if no option is selected in multiple | 
						|
	 *   mode, we can still obtain the posted unselect value. | 
						|
	 * | 
						|
	 * The rest of the options will be rendered as the attributes of the resulting tag. The values will  | 
						|
	 * be HTML-encoded using [[encode()]]. If a value is null, the corresponding attribute will not be rendered. | 
						|
	 *  | 
						|
	 * @return string the generated list box tag | 
						|
	 */ | 
						|
	public static function listBox($name, $selection = null, $items = array(), $options = array()) | 
						|
	{ | 
						|
		if (!isset($options['size'])) { | 
						|
			$options['size'] = 4; | 
						|
		} | 
						|
		if (isset($options['multiple']) && $options['multiple'] && substr($name, -2) !== '[]') { | 
						|
			$name .= '[]'; | 
						|
		} | 
						|
		$options['name'] = $name; | 
						|
		if (isset($options['unselect'])) { | 
						|
			// add a hidden field so that if the list box has no option being selected, it still submits a value | 
						|
			if (substr($name, -2) === '[]') { | 
						|
				$name = substr($name, 0, -2); | 
						|
			} | 
						|
			$hidden = static::hiddenInput($name, $options['unselect']); | 
						|
			unset($options['unselect']); | 
						|
		} else { | 
						|
			$hidden = ''; | 
						|
		} | 
						|
		$selectOptions = static::renderSelectOptions($selection, $items, $options); | 
						|
		return $hidden . static::tag('select', "\n" . $selectOptions . "\n", $options); | 
						|
	} | 
						|
 | 
						|
	/** | 
						|
	 * Generates a list of checkboxes. | 
						|
	 * A checkbox list allows multiple selection, like [[listBox()]]. | 
						|
	 * As a result, the corresponding submitted value is an array. | 
						|
	 * @param string $name the name attribute of each checkbox. | 
						|
	 * @param string|array $selection the selected value(s). | 
						|
	 * @param array $items the data item used to generate the checkboxes. | 
						|
	 * The array keys are the labels, while the array values are the corresponding checkbox values. | 
						|
	 * Note that the labels will NOT be HTML-encoded, while the values will. | 
						|
	 * @param array $options options (name => config) for the checkbox list. The following options are supported: | 
						|
	 * | 
						|
	 * - unselect: string, the value that should be submitted when none of the checkboxes is selected. | 
						|
	 *   By setting this option, a hidden input will be generated. | 
						|
	 * - separator: string, the HTML code that separates items. | 
						|
	 * - item: callable, a callback that can be used to customize the generation of the HTML code | 
						|
	 *   corresponding to a single item in $items. The signature of this callback must be: | 
						|
	 * | 
						|
	 * ~~~ | 
						|
	 * function ($index, $label, $name, $checked, $value) | 
						|
	 * ~~~ | 
						|
	 * | 
						|
	 * where $index is the zero-based index of the checkbox in the whole list; $label | 
						|
	 * is the label for the checkbox; and $name, $value and $checked represent the name, | 
						|
	 * value and the checked status of the checkbox input. | 
						|
	 * @return string the generated checkbox list | 
						|
	 */ | 
						|
	public static function checkboxList($name, $selection = null, $items = array(), $options = array()) | 
						|
	{ | 
						|
		if (substr($name, -2) !== '[]') { | 
						|
			$name .= '[]'; | 
						|
		} | 
						|
 | 
						|
		$formatter = isset($options['item']) ? $options['item'] : null; | 
						|
		$lines = array(); | 
						|
		$index = 0; | 
						|
		foreach ($items as $value => $label) { | 
						|
			$checked = $selection !== null && | 
						|
				(!is_array($selection) && !strcmp($value, $selection) | 
						|
					|| is_array($selection) && in_array($value, $selection)); | 
						|
			if ($formatter !== null) { | 
						|
				$lines[] = call_user_func($formatter, $index, $label, $name, $checked, $value); | 
						|
			} else { | 
						|
				$lines[] = static::label(static::checkbox($name, $checked, $value) . ' ' . $label); | 
						|
			} | 
						|
			$index++; | 
						|
		} | 
						|
 | 
						|
		if (isset($options['unselect'])) { | 
						|
			// add a hidden field so that if the list box has no option being selected, it still submits a value | 
						|
			$name2 = substr($name, -2) === '[]' ? substr($name, 0, -2) : $name; | 
						|
			$hidden = static::hiddenInput($name2, $options['unselect']); | 
						|
		} else { | 
						|
			$hidden = ''; | 
						|
		} | 
						|
		$separator = isset($options['separator']) ? $options['separator'] : "\n"; | 
						|
 | 
						|
		return $hidden . implode($separator, $lines); | 
						|
	} | 
						|
 | 
						|
	/** | 
						|
	 * Generates a list of radio buttons. | 
						|
	 * A radio button list is like a checkbox list, except that it only allows single selection. | 
						|
	 * @param string $name the name attribute of each radio button. | 
						|
	 * @param string|array $selection the selected value(s). | 
						|
	 * @param array $items the data item used to generate the radio buttons. | 
						|
	 * The array keys are the labels, while the array values are the corresponding radio button values. | 
						|
	 * Note that the labels will NOT be HTML-encoded, while the values will. | 
						|
	 * @param array $options options (name => config) for the radio button list. The following options are supported: | 
						|
	 * | 
						|
	 * - unselect: string, the value that should be submitted when none of the radio buttons is selected. | 
						|
	 *   By setting this option, a hidden input will be generated. | 
						|
	 * - separator: string, the HTML code that separates items. | 
						|
	 * - item: callable, a callback that can be used to customize the generation of the HTML code | 
						|
	 *   corresponding to a single item in $items. The signature of this callback must be: | 
						|
	 * | 
						|
	 * ~~~ | 
						|
	 * function ($index, $label, $name, $checked, $value) | 
						|
	 * ~~~ | 
						|
	 * | 
						|
	 * where $index is the zero-based index of the radio button in the whole list; $label | 
						|
	 * is the label for the radio button; and $name, $value and $checked represent the name, | 
						|
	 * value and the checked status of the radio button input. | 
						|
	 * @return string the generated radio button list | 
						|
	 */ | 
						|
	public static function radioList($name, $selection = null, $items = array(), $options = array()) | 
						|
	{ | 
						|
		$formatter = isset($options['item']) ? $options['item'] : null; | 
						|
		$lines = array(); | 
						|
		$index = 0; | 
						|
		foreach ($items as $value => $label) { | 
						|
			$checked = $selection !== null && | 
						|
				(!is_array($selection) && !strcmp($value, $selection) | 
						|
					|| is_array($selection) && in_array($value, $selection)); | 
						|
			if ($formatter !== null) { | 
						|
				$lines[] = call_user_func($formatter, $index, $label, $name, $checked, $value); | 
						|
			} else { | 
						|
				$lines[] = static::label(static::radio($name, $checked, $value) . ' ' . $label); | 
						|
			} | 
						|
			$index++; | 
						|
		} | 
						|
 | 
						|
		$separator = isset($options['separator']) ? $options['separator'] : "\n"; | 
						|
		if (isset($options['unselect'])) { | 
						|
			// add a hidden field so that if the list box has no option being selected, it still submits a value | 
						|
			$hidden = static::hiddenInput($name, $options['unselect']); | 
						|
		} else { | 
						|
			$hidden = ''; | 
						|
		} | 
						|
 | 
						|
		return $hidden . implode($separator, $lines); | 
						|
	} | 
						|
 | 
						|
	/** | 
						|
	 * Renders the option tags that can be used by [[dropDownList()]] and [[listBox()]]. | 
						|
	 * @param string|array $selection the selected value(s). This can be either a string for single selection | 
						|
	 * or an array for multiple selections. | 
						|
	 * @param array $items the option data items. The array keys are option values, and the array values | 
						|
	 * are the corresponding option labels. The array can also be nested (i.e. some array values are arrays too). | 
						|
	 * For each sub-array, an option group will be generated whose label is the key associated with the sub-array. | 
						|
	 * If you have a list of data models, you may convert them into the format described above using | 
						|
	 * [[\yii\util\ArrayHelper::map()]]. | 
						|
	 * | 
						|
	 * Note, the values and labels will be automatically HTML-encoded by this method, and the blank spaces in | 
						|
	 * the labels will also be HTML-encoded. | 
						|
	 * @param array $tagOptions the $options parameter that is passed to the [[dropDownList()]] or [[listBox()]] call. | 
						|
	 * This method will take out these elements, if any: "prompt", "options" and "groups". See more details | 
						|
	 * in [[dropDownList()]] for the explanation of these elements. | 
						|
	 * | 
						|
	 * @return string the generated list options | 
						|
	 */ | 
						|
	public static function renderSelectOptions($selection, $items, &$tagOptions = array()) | 
						|
	{ | 
						|
		$lines = array(); | 
						|
		if (isset($tagOptions['prompt'])) { | 
						|
			$prompt = str_replace(' ', ' ', static::encode($tagOptions['prompt'])); | 
						|
			$lines[] = static::tag('option', $prompt, array('value' => '')); | 
						|
		} | 
						|
 | 
						|
		$options = isset($tagOptions['options']) ? $tagOptions['options'] : array(); | 
						|
		$groups = isset($tagOptions['groups']) ? $tagOptions['groups'] : array(); | 
						|
		unset($tagOptions['prompt'], $tagOptions['options'], $tagOptions['groups']); | 
						|
 | 
						|
		foreach ($items as $key => $value) { | 
						|
			if (is_array($value)) { | 
						|
				$groupAttrs = isset($groups[$key]) ? $groups[$key] : array(); | 
						|
				$groupAttrs['label'] = $key; | 
						|
				$attrs = array('options' => $options, 'groups' => $groups); | 
						|
				$content = static::renderSelectOptions($selection, $value, $attrs); | 
						|
				$lines[] = static::tag('optgroup', "\n" . $content . "\n", $groupAttrs); | 
						|
			} else { | 
						|
				$attrs = isset($options[$key]) ? $options[$key] : array(); | 
						|
				$attrs['value'] = $key; | 
						|
				$attrs['selected'] = $selection !== null && | 
						|
					(!is_array($selection) && !strcmp($key, $selection) | 
						|
						|| is_array($selection) && in_array($key, $selection)); | 
						|
				$lines[] = static::tag('option', str_replace(' ', ' ', static::encode($value)), $attrs); | 
						|
			} | 
						|
		} | 
						|
 | 
						|
		return implode("\n", $lines); | 
						|
	} | 
						|
 | 
						|
	/** | 
						|
	 * Renders the HTML tag attributes. | 
						|
	 * Boolean attributes such as s 'checked', 'disabled', 'readonly', will be handled specially | 
						|
	 * according to [[booleanAttributes]] and [[showBooleanAttributeValues]]. | 
						|
	 * @param array $attributes attributes to be rendered. The attribute values will be HTML-encoded using [[encode()]]. | 
						|
	 * Attributes whose value is null will be ignored and not put in the rendering result. | 
						|
	 * @return string the rendering result. If the attributes are not empty, they will be rendered | 
						|
	 * into a string with a leading white space (such that it can be directly appended to the tag name | 
						|
	 * in a tag. If there is no attribute, an empty string will be returned. | 
						|
	 */ | 
						|
	public static function renderTagAttributes($attributes) | 
						|
	{ | 
						|
		if (count($attributes) > 1) { | 
						|
			$sorted = array(); | 
						|
			foreach (static::$attributeOrder as $name) { | 
						|
				if (isset($attributes[$name])) { | 
						|
					$sorted[$name] = $attributes[$name]; | 
						|
				} | 
						|
			} | 
						|
			$attributes = array_merge($sorted, $attributes); | 
						|
		} | 
						|
 | 
						|
		$html = ''; | 
						|
		foreach ($attributes as $name => $value) { | 
						|
			if (isset(static::$booleanAttributes[strtolower($name)])) { | 
						|
				if ($value || strcasecmp($name, $value) === 0) { | 
						|
					$html .= static::$showBooleanAttributeValues ? " $name=\"$name\"" : " $name"; | 
						|
				} | 
						|
			} elseif ($value !== null) { | 
						|
				$html .= " $name=\"" . static::encode($value) . '"'; | 
						|
			} | 
						|
		} | 
						|
		return $html; | 
						|
	} | 
						|
 | 
						|
	/** | 
						|
	 * Normalizes the input parameter to be a valid URL. | 
						|
	 * | 
						|
	 * If the input parameter | 
						|
	 * | 
						|
	 * - is an empty string: the currently requested URL will be returned; | 
						|
	 * - is a non-empty string: it will be processed by [[Yii::getAlias()]] which, if the string is an alias, | 
						|
	 *   will be resolved into a URL; | 
						|
	 * - is an array: the first array element is considered a route, while the rest of the name-value | 
						|
	 *   pairs are considered as the parameters to be used for URL creation using [[\yii\base\Application::createUrl()]]. | 
						|
	 *   Here are some examples: `array('post/index', 'page' => 2)`, `array('index')`. | 
						|
	 * | 
						|
	 * @param array|string $url the parameter to be used to generate a valid URL | 
						|
	 * @return string the normalized URL | 
						|
	 * @throws InvalidParamException if the parameter is invalid. | 
						|
	 */ | 
						|
	public static function url($url) | 
						|
	{ | 
						|
		if (is_array($url)) { | 
						|
			if (isset($url[0])) { | 
						|
				return Yii::$app->createUrl($url[0], array_splice($url, 1)); | 
						|
			} else { | 
						|
				throw new InvalidParamException('The array specifying a URL must contain at least one element.'); | 
						|
			} | 
						|
		} elseif ($url === '') { | 
						|
			return Yii::$app->getRequest()->getUrl(); | 
						|
		} else { | 
						|
			return Yii::getAlias($url); | 
						|
		} | 
						|
	} | 
						|
}
 | 
						|
 |