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<?php |
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/** |
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* Registry class |
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*/ |
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namespace Phile\Core; |
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/** |
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* the Registry class for implementing a registry |
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* |
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* @author Frank Nägler |
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* @link https://philecms.github.io |
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* @license http://opensource.org/licenses/MIT |
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* @package Phile\Core |
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*/ |
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class Registry extends \ArrayObject |
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{ |
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/** |
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* Registry object provides storage for shared objects. |
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* |
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* @var Registry |
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*/ |
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private static $registry = null; |
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/** |
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* Retrieves the default registry instance. |
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* |
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* @return Registry |
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*/ |
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public static function getInstance() |
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{ |
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if (self::$registry === null) { |
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self::init(); |
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} |
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return self::$registry; |
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} |
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/** |
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* Set the default registry instance to a specified instance. |
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* |
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* @param Registry $registry An object instance of type Registry, |
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* or a subclass. |
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* |
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* @throws \Exception |
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*/ |
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public static function setInstance(Registry $registry) |
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{ |
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if (self::$registry !== null) { |
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throw new \Exception('Registry is already initialized', 1398536572); |
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} |
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self::$registry = $registry; |
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} |
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/** |
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* Initialize the default registry instance. |
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* |
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* @return void |
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*/ |
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protected static function init() |
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{ |
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self::setInstance(new Registry()); |
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} |
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/** |
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* getter method, basically same as offsetGet(). |
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* |
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* This method can be called from an object of type Registry, or it |
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* can be called statically. In the latter case, it uses the default |
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* static instance stored in the class. |
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* |
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* @param string $index - get the value associated with $index |
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* |
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* @return mixed |
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* @throws \Exception if no entry is registerd for $index. |
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*/ |
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public static function get($index) |
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{ |
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$instance = self::getInstance(); |
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if (!$instance->offsetExists($index)) { |
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throw new \Exception("No entry is registered for key '$index'", 1398536594); |
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} |
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return $instance->offsetGet($index); |
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} |
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/** |
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* setter method, basically same as offsetSet(). |
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* |
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* This method can be called from an object of type Registry, or it |
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* can be called statically. In the latter case, it uses the default |
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* static instance stored in the class. |
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* |
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* @param string $index The location in the ArrayObject in which to store |
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* the value. |
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* @param mixed $value The object to store in the ArrayObject. |
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* |
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* @return void |
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*/ |
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public static function set($index, $value) |
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{ |
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$instance = self::getInstance(); |
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$instance->offsetSet($index, $value); |
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} |
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/** |
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* Returns TRUE if the $index is a named value in the registry, |
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* or FALSE if $index was not found in the registry. |
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* |
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* @param string $index |
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* |
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* @return boolean |
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*/ |
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public static function isRegistered($index) |
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{ |
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if (self::$registry === null) { |
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return false; |
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} |
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return self::$registry->offsetExists($index); |
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} |
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/** |
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123
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* the constructor |
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* |
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* @param array $array data array |
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* @param integer $flags ArrayObject flags |
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*/ |
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public function __construct($array = array(), $flags = parent::ARRAY_AS_PROPS) |
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{ |
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parent::__construct($array, $flags); |
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} |
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} |
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PhileCMS /
Phile
