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Example code of proteins/event

Informations about the package event

Protein | Events

Event emitter-listener global class and behaviour trait

Install

Require the global class via :

or the include the trait in your classes via :

Attach an handler

You can attach an handler to a named event via the on method.

Multiple handlers can be attached to the event, they will be sequentially executed when the event will be triggered.

You can attach handlers to any event name.

Trigger an event

You can trigger an event via the trigger method.

The trigger method will return an array containing the return values of all the handler attached to the event.

Example

The $results variable contains :

NULL will be returned if no handlers are attached to the event.

You can run a trigger only one time with the triggerOnce method.

Passing parameters to event handlers

You can pass a variable number of parameter to event handlers appending them after the event name in the trigger method.

Using the Events trait

You can augment any existing class adding the Events trait to them. The Events trait has the same identically signature of the standard Event module (in fact the Event Module is a simple wrapper of the Events trait).

All versions of event with dependencies

PHP Build Version
Package Version
Requires php Version ^7.2
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