PHP Classes

PHP Event Aggregator: Manager and listener of registered events

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event-aggregator 1GNU General Publi...5PHP 5, Language, Design Patterns
Description 

Author

Kiril Savchev

This class is a manager and listener of registered events.

It can register events with a given name and a callback function to call when the events are triggered.

The class can also trigger events when a function of the class is called with the name of a given registered event.

An optional priority parameter may be passed to specify the order by which multiple event handler functions should be called.

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Name: Kiril Savchev <contact>
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Example

<?php

require_once 'EventAggregator.php';

/**
 * Use this class to attach methods to events
 *
 */
class TestClass {
    static function test() { var_dump(__CLASS__); }
    static function test2($a,$b,$c='a') {
        var_dump($a,$b,$c);
        echo $GLOBALS['Event']->getCurrentEvent();
    }
}

// Instantiate the event aggregator:
$Event = EventAggregator::getInstance();

// Attach some callbacks to custom event 'testEvent':
$Event->on('testEvent',array('TestClass','test'));
$Event->on('testEvent',array('TestClass','test2'),2);

// Call the event:
$Event->testEvent(__FILE__,__LINE__,true);

// These commented lines do the same as the above - fires the event 'testEvent' with params __FILE__, __LINE__ and true
// $Event->trigger('testEvent',array(__FILE__,__LINE__,true));
// $Event->fire('testEvent',__FILE__,__LINE__,true);

?>

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Plain text file EventAggregator.php Class Class file
Accessible without login Plain text file test.php Example Test examples

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