Base class for events and hooks. More...

Inheritance diagram for Elgg\HooksRegistrationService:

Public Member Functions
	registerHandler ($name, $type, $callback, $priority=500)
	Register a callback as a plugin hook handler. More...

	unregisterHandler ($name, $type, $callback)
	Unregister a callback as a plugin hook of event handler. More...

	clearHandlers ($name, $type)
	Clears all callback registrations for a plugin hook. More...

	getAllHandlers ()
	Returns all registered handlers as array( $name => array( $type => array( $priority => array( callback, callback, ) ) ) More...

	hasHandler ($name, $type)
	Is a handler registered for this specific name and type? "all" handlers are not considered. More...

	getOrderedHandlers ($name, $type)
	Returns an ordered array of handlers registered for $name and $type. More...

	backup ()
	Temporarily remove all event/hook registrations (before tests) More...

	restore ()
	Restore backed up event/hook registrations (after tests) More...

Public Attributes
const	REG_KEY_PRIORITY = 0

const	REG_KEY_INDEX = 1

const	REG_KEY_HANDLER = 2

const	OPTION_DEPRECATION_MESSAGE = 'deprecation_message'

const	OPTION_DEPRECATION_VERSION = 'deprecation_version'

Protected Member Functions
	getMatcher ($spec)
	Create a matcher for the given callable (if it's for a static or dynamic method) More...

	checkDeprecation ($name, $type, array $options=[])
	Check if handlers are registered on a deprecated hook/event. More...

Detailed Description

Base class for events and hooks.

Definition at line 14 of file HooksRegistrationService.php.

Member Function Documentation

Elgg\HooksRegistrationService::backup ( )

Temporarily remove all event/hook registrations (before tests)

Call backup() before your tests and restore() after.

Note: This behaves like a stack. You must call restore() for each backup() call.

Returns: void

See also: HooksRegistrationService::restore()

Definition at line 258 of file HooksRegistrationService.php.

Elgg\HooksRegistrationService::checkDeprecation	(		$name,
			$type,
		array	$options = `[]`
	)

protected

Check if handlers are registered on a deprecated hook/event.

If so Display a message

Parameters

string	$name	the name of the hook/event
string	$type	the type of the hook/event
array	$options	deprecation options

Returns: void

Definition at line 285 of file HooksRegistrationService.php.

Elgg\HooksRegistrationService::clearHandlers	(	$name,
		$type
	)

Clears all callback registrations for a plugin hook.

Parameters

string	$name	The name of the hook
string	$type	The type of the hook

Returns: void

See also: elgg_clear_plugin_hook_handlers()

Definition at line 124 of file HooksRegistrationService.php.

Elgg\HooksRegistrationService::getAllHandlers ( )

Returns all registered handlers as array( $name => array( $type => array( $priority => array( callback, callback, ) ) )

Returns: array

Definition at line 141 of file HooksRegistrationService.php.

Elgg\HooksRegistrationService::getMatcher ( $spec )

protected

Create a matcher for the given callable (if it's for a static or dynamic method)

Parameters

callable $spec Callable we're creating a matcher for

Returns: MethodMatcher|null

Definition at line 227 of file HooksRegistrationService.php.

Elgg\HooksRegistrationService::getOrderedHandlers	(	$name,
		$type
	)

Returns an ordered array of handlers registered for $name and $type.

Parameters

string	$name	The name of the hook
string	$type	The type of the hook

Returns: callable[]

See also: ::getAllHandlers()

Definition at line 178 of file HooksRegistrationService.php.

Elgg\HooksRegistrationService::hasHandler	(	$name,
		$type
	)

Is a handler registered for this specific name and type? "all" handlers are not considered.

If you need to consider "all" handlers, you must check them independently, or use (bool) elgg()->hooks->getOrderedHandlers().

Parameters

string	$name	The name of the hook
string	$type	The type of the hook

Returns: boolean

Definition at line 166 of file HooksRegistrationService.php.

Elgg\HooksRegistrationService::registerHandler	(	$name,
		$type,
		$callback,
		$priority = `500`
	)

Register a callback as a plugin hook handler.

Parameters

string	$name	The name of the hook
string	$type	The type of the hook
callable	$callback	The name of a valid function or an array with object and method
int	$priority	The priority - 500 is default, lower numbers called first

Returns: bool

Warning: This doesn't check if a callback is valid to be called, only if it is in the correct format as a callable.

See also: elgg_register_plugin_hook_handler()

Definition at line 54 of file HooksRegistrationService.php.

Elgg\HooksRegistrationService::restore ( )

Restore backed up event/hook registrations (after tests)

Returns: void

See also: HooksRegistrationService::backup()

Definition at line 269 of file HooksRegistrationService.php.

Elgg\HooksRegistrationService::unregisterHandler	(	$name,
		$type,
		$callback
	)

Unregister a callback as a plugin hook of event handler.

Parameters

string	$name	The name of the hook/event
string	$type	The name of the type of entity (eg "user", "object" etc)
callable	$callback	The PHP callback to be removed. Since 1.11, static method callbacks will match dynamic methods