Engine

• Registry
• Loader
• Action

Registry

A basic container class with only set and get methods to store library objects.

There is no need to use the registry class directly with controllers as is available via the controller and models.

Example

$this->load->library('cache');

$this->registry->get('cache')->get('products');

// is the same as
$this->cache->get('products');

Methods

object get(string $key)

Returns the library object.

Parameters

Tables	Type	Description
$key	string	gets the library object by key

Returns

returns the library object by key

void set(string $key, object $value)

Sets a new library

Parameters

Tables	Type	Description
$key	string	gets the library object by key
$value	object	gets the library object by key

boolean has(string $key)

Checks if a library is using a key

Parameters

Tables	Type	Description
$key	string	gets the library object by key

returns

Returns if a library key is being used.

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Loader

• __construct(string $registry)

Parameters

Tables	Type	Description
$registry	object	object registry

• controller(string $key, object $value) - loads the requested controller into the registry class.

Parameters

Tables	Type	Description
$registry	object	object registry

• model(string $key) - loads the requested controller into the registry class.
• view(string $key, array $value) - loads the requested view and returns the output.
• library(string $key) - Deletes the cache by key
• helper(string $key) - Deletes the cache by key
• config(string $key) - Deletes the cache by key
• language(string $key) - Deletes the cache by key

The loader class is for loading the different components of the OpenCart framework.

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Action

Action classes are used to load controllers.

Example

$action = new Action('common/home');
$action->execute($this->registry);

__construct

Constructor.

__construct(string $registry)

execute

Calls the requested controller. Requires the registry so it can be passed into the controller.

execute(object $registry) : mixed

Event