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 <?php
 /**
  * Zend Framework
  *
  * LICENSE
  *
  * This source file is subject to the new BSD license that is bundled
  * with this package in the file LICENSE.txt.
  * It is also available through the world-wide-web at this URL:
  * http://framework.zend.com/license/new-bsd
  * If you did not receive a copy of the license and are unable to
  * obtain it through the world-wide-web, please send an email
  * to license@zend.com so we can send you a copy immediately.
  *
  * @category   Zend
  * @package    Zend_Tag
  * @subpackage Item
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  * @version    $Id$
  */
 
 /**
  * @see Zend_Tag_Taggable
  */
 // require_once 'Zend/Tag/Taggable.php';
 
 /**
  * @category   Zend
  * @package    Zend_Tag
  * @uses       Zend_Tag_Taggable
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Tag_Item implements Zend_Tag_Taggable
 {
     /**
      * Title of the tag
      *
      * @var string
      */
     protected $_title = null;
 
     /**
      * Weight of the tag
      *
      * @var float
      */
     protected $_weight = null;
 
     /**
      * Custom parameters
      *
      * @var string
      */
     protected $_params = array();
 
     /**
      * Option keys to skip when calling setOptions()
      *
      * @var array
      */
     protected $_skipOptions = array(
         'options',
         'param'
     );
 
     /**
      * Create a new tag according to the options
      *
      * @param  array|Zend_Config $options
      * @throws Zend_Tag_Exception When invalid options are provided
      * @throws Zend_Tag_Exception When title was not set
      * @throws Zend_Tag_Exception When weight was not set
      * @return void
      */
     public function __construct($options)
     {
         if ($options instanceof Zend_Config) {
             $options = $options->toArray();
         }
 
         if (!is_array($options)) {
             // require_once 'Zend/Tag/Exception.php';
             throw new Zend_Tag_Exception('Invalid options provided to constructor');
         }
 
         $this->setOptions($options);
 
         if ($this->_title === null) {
             // require_once 'Zend/Tag/Exception.php';
             throw new Zend_Tag_Exception('Title was not set');
         }
 
         if ($this->_weight === null) {
             // require_once 'Zend/Tag/Exception.php';
             throw new Zend_Tag_Exception('Weight was not set');
         }
     }
 
     /**
      * Set options of the tag
      *
      * @param  array $options
      * @return Zend_Tag_Item
      */
     public function setOptions(array $options)
     {
         foreach ($options as $key => $value) {
             if (in_array(strtolower($key), $this->_skipOptions)) {
                 continue;
             }
 
             $method = 'set' . $key;
             if (method_exists($this, $method)) {
                 $this->$method($value);
             }
         }
 
         return $this;
     }
 
     /**
      * Defined by Zend_Tag_Taggable
      *
      * @return string
      */
     public function getTitle()
     {
         return $this->_title;
     }
 
     /**
      * Set the title
      *
      * @param  string $title
      * @throws Zend_Tag_Exception When title is no string
      * @return Zend_Tag_Item
      */
     public function setTitle($title)
     {
         if (!is_string($title)) {
             // require_once 'Zend/Tag/Exception.php';
             throw new Zend_Tag_Exception('Title must be a string');
         }
 
         $this->_title = (string) $title;
         return $this;
     }
 
     /**
      * Defined by Zend_Tag_Taggable
      *
      * @return float
      */
     public function getWeight()
     {
         return $this->_weight;
     }
 
     /**
      * Set the weight
      *
      * @param  float $weight
      * @throws Zend_Tag_Exception When weight is not numeric
      * @return Zend_Tag_Item
      */
     public function setWeight($weight)
     {
         if (!is_numeric($weight)) {
             // require_once 'Zend/Tag/Exception.php';
             throw new Zend_Tag_Exception('Weight must be numeric');
         }
 
         $this->_weight = (float) $weight;
         return $this;
     }
 
     /**
      * Set multiple params at once
      *
      * @param  array $params
      * @return Zend_Tag_Item
      */
     public function setParams(array $params)
     {
         foreach ($params as $name => $value) {
             $this->setParam($name, $value);
         }
 
         return $this;
     }
 
     /**
      * Defined by Zend_Tag_Taggable
      *
      * @param  string $name
      * @param  mixed  $value
      * @return Zend_Tag_Item
      */
     public function setParam($name, $value)
     {
         $this->_params[$name] = $value;
         return $this;
     }
 
     /**
      * Defined by Zend_Tag_Taggable
      *
      * @param  string $name
      * @return mixed
      */
     public function getParam($name)
     {
         if (isset($this->_params[$name])) {
             return $this->_params[$name];
         }
         return null;
     }
 }