Event-Manager
Event Manager System for PHP >= 5.4, (*1)
This Event Manager is really very easier and flexible!
If you have developed in C# this library will sound familiar., (*2)
Installation
composer require cybtow/event-manager "^0.2"
Example
test/index.php file:, (*3)
<?php
require_once __DIR__ . '/../vendor/autoload.php';
use Cybtow\EventManager\Event;
use Cybtow\EventManager\EventTrait;
use Cybtow\EventManager\EventInterface;
use Cybtow\EventManager\EventGlobal;
use Cybtow\EventManager\EventInstance;
// **********************************************
// Example using method: Extending Event class.
// **********************************************
class A extends Event {
const EVENT_HELLO = 'a.hello';
public function hello($name) {
echo "Hello! $name<br/>" . PHP_EOL;
$this->run(self::EVENT_HELLO, array('name' => $name));
}
}
class Z {
public function listener(EventInstance $Event) {
echo \sprintf('Event Listener with method - Sender: (%s) - EventName: (%s) - Arguments: (%s)<br/>' . PHP_EOL, get_class($Event->getSender()), $Event->getEventName(), serialize(array_merge($Event->getArgsIn(), $Event->getArgsResult())));
}
}
$callback = function(EventInstance $Event) {
echo \sprintf('Event Listener with anonymous function - Sender: (%s) - EventName: (%s) - Arguments: (%s)<br/>' . PHP_EOL, get_class($Event->getSender()), $Event->getEventName(), serialize(array_merge($Event->getArgsIn(), $Event->getArgsResult())));
};
function testListener(EventInstance $Event) {
echo \sprintf('Event Listener with normal function - Sender: (%s) - EventName: (%s) - Arguments: (%s)<br/>' . PHP_EOL, get_class($Event->getSender()), $Event->getEventName(), serialize(array_merge($Event->getArgsIn(), $Event->getArgsResult())));
}
echo 'Starting test...<br/>' . PHP_EOL;
$A = new \A();
$A->addEventListener(\A::EVENT_HELLO, function(EventInstance $Event) {
echo \sprintf('Event Listener with Closure - Sender: (%s) - EventName: (%s) - Arguments: (%s)<br/>' . PHP_EOL, get_class($Event->getSender()), $Event->getEventName(), serialize(array_merge($Event->getArgsIn(), $Event->getArgsResult())));
}, array('in' => 'closure example in class extending from Event'));
$A->addEventListener(\A::EVENT_HELLO, $callback, array('in' => 'anonymous function in class extending from Event'));
$A->addEventListener(\A::EVENT_HELLO, 'testListener', array('in' => 'normal function in class extending from Event'));
$A->addEventListener(\A::EVENT_HELLO, array(new \Z(), 'listener'), array('in' => 'class->method example in class extending from Event'));
$A->hello('John');
$A->hello('Mary');
$A->removeEventListener(\A::EVENT_HELLO, $callback);
$A->hello('Bianca');
// Output:
// Starting test...
// Hello! John
// Event Listener with Closure - Sender: (A) - EventName: (a.hello) - Arguments: (a:2:{s:2:"in";s:45:"closure example in class extending from Event";s:4:"name";s:4:"John";})
// Event Listener with anonymous function - Sender: (A) - EventName: (a.hello) - Arguments: (a:2:{s:2:"in";s:48:"anonymous function in class extending from Event";s:4:"name";s:4:"John";})
// Event Listener with normal function - Sender: (A) - EventName: (a.hello) - Arguments: (a:2:{s:2:"in";s:45:"normal function in class extending from Event";s:4:"name";s:4:"John";})
// Event Listener with method - Sender: (A) - EventName: (a.hello) - Arguments: (a:2:{s:2:"in";s:51:"class->method example in class extending from Event";s:4:"name";s:4:"John";})
// Hello! Mary
// Event Listener with Closure - Sender: (A) - EventName: (a.hello) - Arguments: (a:2:{s:2:"in";s:45:"closure example in class extending from Event";s:4:"name";s:4:"Mary";})
// Event Listener with anonymous function - Sender: (A) - EventName: (a.hello) - Arguments: (a:2:{s:2:"in";s:48:"anonymous function in class extending from Event";s:4:"name";s:4:"Mary";})
// Event Listener with normal function - Sender: (A) - EventName: (a.hello) - Arguments: (a:2:{s:2:"in";s:45:"normal function in class extending from Event";s:4:"name";s:4:"Mary";})
// Event Listener with method - Sender: (A) - EventName: (a.hello) - Arguments: (a:2:{s:2:"in";s:51:"class->method example in class extending from Event";s:4:"name";s:4:"Mary";})
// Hello! Bianca
// Event Listener with Closure - Sender: (A) - EventName: (a.hello) - Arguments: (a:2:{s:2:"in";s:45:"closure example in class extending from Event";s:4:"name";s:6:"Bianca";})
// Event Listener with normal function - Sender: (A) - EventName: (a.hello) - Arguments: (a:2:{s:2:"in";s:45:"normal function in class extending from Event";s:4:"name";s:6:"Bianca";})
// Event Listener with method - Sender: (A) - EventName: (a.hello) - Arguments: (a:2:{s:2:"in";s:51:"class->method example in class extending from Event";s:4:"name";s:6:"Bianca";})
// **********************************************
// Example using method: Using EventTrait class.
// **********************************************
class B {
public function hello($name) {
echo "Hello! $name<br/>" . PHP_EOL;
}
}
class C extends \B implements EventInterface {
use EventTrait;
const EVENT_HELLO = 'c.hello';
public function hello($name) {
parent::hello($name);
$this->run(self::EVENT_HELLO, array('name' => $name));
}
}
$C = new \C();
$C->addEventListener(\C::EVENT_HELLO, function(EventInstance $Event) {
echo \sprintf('Event Listener with Closure - Sender: (%s) - EventName: (%s) - Arguments: (%s)<br/>' . PHP_EOL, get_class($Event->getSender()), $Event->getEventName(), serialize(array_merge($Event->getArgsIn(), $Event->getArgsResult())));
}, array('in' => 'closure example in class using EventTreat'));
$C->hello('Peter');
// Output:
// Hello! Peter
// Event Listener with Closure - Sender: (C) - EventName: (c.hello) - Arguments: (a:2:{s:2:"in";s:41:"closure example in class using EventTreat";s:4:"name";s:5:"Peter";})
// **********************************************
// Example using method: Event Global Manager.
// **********************************************
class D {
const EVENT_HELLO = 'd.hello';
public function hello($name) {
echo "Hello! $name<br/>" . PHP_EOL;
EventGlobal::run($this, self::EVENT_HELLO, array('name' => $name));
}
}
EventGlobal::addEventListener(\D::EVENT_HELLO, function(EventInstance $Event) {
echo \sprintf('Event Listener with Closure - Sender: (%s) - EventName: (%s) - Arguments: (%s)<br/>' . PHP_EOL, get_class($Event->getSender()), $Event->getEventName(), serialize(array_merge($Event->getArgsIn(), $Event->getArgsResult())));
}, array('in' => 'closure example in class using EventGlobal manager'));
$D = new \D();
$D->hello('Ann');
// Output:
// Hello! Ann
// Event Listener with Closure - Sender: (D) - EventName: (d.hello) - Arguments: (a:2:{s:2:"in";s:50:"closure example in class using EventGlobal manager";s:4:"name";s:3:"Ann";})
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