implements ArrayAccess, Iterator, Traversable, Serializable, Countable, JsonSerializable
A registry is a container for storing objects and values in the application space. By storing the value in a registry, the same object is always available throughout your application.
$registry = new \Phalcon\Registry(); // Set value $registry->something = 'something'; // or $registry['something'] = 'something'; // Get value $value = $registry->something; // or $value = $registry['something']; // Check if the key exists $exists = isset($registry->something); // or $exists = isset($registry['something']); // Unset unset($registry->something); // or unset($registry['something']); In addition to ArrayAccess, Phalcon\\Registry also implements Countable (count($registry) will return the number of elements in the registry), Serializable and Iterator (you can iterate over the registry using a foreach loop) interfaces. For PHP 5.4 and higher, JsonSerializable interface is implemented. Phalcon\\Registry is very fast (it is typically faster than any userspace implementation of the registry); however, this comes at a price: Phalcon\\Registry is a final class and cannot be inherited from. Though Phalcon\\Registry exposes methods like __get(), offsetGet(), count() etc, it is not recommended to invoke them manually (these methods exist mainly to match the interfaces the registry implements): $registry->__get('property') is several times slower than $registry->property. Internally all the magic methods (and interfaces except JsonSerializable) are implemented using object handlers or similar techniques: this allows to bypass relatively slow method calls.
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© 2011–2016 Phalcon Framework Team
Licensed under the Creative Commons Attribution License 3.0.
https://docs.phalconphp.com/en/2.0.0/api/Phalcon_Registry.html