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<?php |
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/** |
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* \AppserverIo\Collections\Iter |
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* |
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* NOTICE OF LICENSE |
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* |
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* This source file is subject to the Open Software License (OSL 3.0) |
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* that is available through the world-wide-web at this URL: |
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* http://opensource.org/licenses/osl-3.0.php |
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* |
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* PHP version 5 |
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* |
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* @author Tim Wagner <[email protected]> |
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* @copyright 2015 TechDivision GmbH <[email protected]> |
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* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0) |
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* @link https://github.com/appserver-io/collections |
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* @link http://www.appserver.io |
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*/ |
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namespace AppserverIo\Collections; |
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use AppserverIo\Lang\Object; |
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/** |
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* This class is the default implementation of a Iterator |
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* used for foreach constructs. |
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* |
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* @author Tim Wagner <[email protected]> |
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* @copyright 2015 TechDivision GmbH <[email protected]> |
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* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0) |
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* @link https://github.com/appserver-io/collections |
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* @link http://www.appserver.io |
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*/ |
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class Iter extends Object implements \Iterator |
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{ |
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/** |
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* Holds the internal array |
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* |
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* @var array |
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*/ |
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protected $arr = array(); |
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/** |
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* Constructor that initializes the internal member |
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* with the array passed as parameter. |
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* |
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* @param array $array Holds the array |
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*/ |
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public function __construct($array) |
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{ |
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if (is_array($array)) { |
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$this->arr = $array; |
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} |
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} |
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/** |
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* Resets the internal array pointer to |
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* the first entry. |
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* |
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* And returns the value therefore. |
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* |
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* @return mixed Holds the first value of the internal array |
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*/ |
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3 |
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public function rewind() |
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{ |
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return reset($this->arr); |
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} |
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/** |
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* Returns the actual entry. |
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* |
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* @return mixed The actual entry of the internal array |
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*/ |
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3 |
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public function current() |
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{ |
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return current($this->arr); |
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} |
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/** |
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* Returns the key of the actual entry. |
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* |
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* @return mixed The key of actual entry of the internal array |
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*/ |
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3 |
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public function key() |
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{ |
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return key($this->arr); |
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} |
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/** |
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* Returns the next entry. |
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* |
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* @return mixed The next entry of the internal array |
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*/ |
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3 |
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public function next() |
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{ |
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return next($this->arr); |
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} |
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/** |
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* Checks if the actual entry of the internal |
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* array is not false. |
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* |
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* @return boolean TRUE if there is a actual entry in the internal array, else FALSE |
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*/ |
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3 |
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public function valid() |
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{ |
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return $this->current() !== false; |
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} |
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/** |
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* This method sets the internal array pointer |
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* to the end of the array and returns the |
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* value therefore. |
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* |
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* @return mixed Holds the last value of the internal array |
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*/ |
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public function last() |
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{ |
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return end($this->arr); |
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} |
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} |
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appserver-io /
collections
