OW_EventManager binds a function to Oxwall event system
The OW_EventManager class provides access to Oxwall event system of framework. Works as simple as it can be – plugins add PHP listeners (callbacks) to manager stack. When an event is triggered the whole stack is called.
An event is triggered using the trigger( OW_Event $event ) method, this returns an object of OW_Event.
For example purpose, we will create a method that creates user account and send a welcome message with OW_EventManager.
trigger( OW_Event $event )
This method triggers Oxwall event listeners and return an object of OW_Event.
OW_Event ( $name, array $params = array(), $dataValue = null )
- (string|$name) (required)
- (array|$params ) (required)
* Method to save user
public function saveUser( $username, $password, $email, $accountType )
//Get instance of BOL_UserService
$userService = BOL_UserService::getInstance();
//Create user account. Returns BOL_User object
$user = $userService->createUser( $username, $password, $email, $accountType );
//Set new event parameters
$event = new OW_Event('plugin_key_after_user_register', array(
'userDto' => $user
//Trigger an event for after registering user
bind( $name, $listener, $priority = null )
Binds listener to event. Callback should be valid
- Default: 1000
You should do this part from your event handler class or from your plugin init.php file.
* Bind Event
//Callback for sending welcome message
public function sendUserWelcome( OW_Event $e )
//Get event parameters
$params = $e->getParams();
$user = $params['userDto'];
//Send Welcome letter
public function init()
//bind sendUserWelcome() method to 'plugin_key_after_user_register' event
OW::getEventManager()->bind('plugin_key_after_user_register', array($this, 'sendUserWelcome'));
Finally, you can initialize the event handler from your init.php file.
$eventHandler = new PLUGINKEY_CLASS_EventHandler();
unbind( $name, $listener )
Unbinds listener from event. Callback should be valid
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