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Phly_PubSub: Publish-Subscribe framework for PHP ================================================ Phly_PubSub is a simple, flexible Publish-Subscribe framework for PHP, based on Dojo's dojo.publish/dojo.subscribe system. With Phly_PubSub, you may register any callback to listen on any topic, as well as publish notifications to any topic from any location. As an example: // Create logger and subscribe to 'log' topic $log = new \Zend_Log(new \Zend_Log_Writer_Stream('/tmp/app.log')); \phly\PubSub::subscribe('log', $log, 'info'); // Within some application code: \phly\PubSub::publish('log', 'Log message'); Phly_PubSub can therefore be used: * to ensure a separation of concerns * as a minimal Aspect-Oriented Programming (AOP) mechanism for PHP * to provide an opt-in subject/observer mechanism for your code without requiring refactoring TODO/Further Questions ====================== * Exception handling. Should exceptions raised by subscribers prevent execution of other subscribers and/or the calling code? * If not, how should errors be handled/aggregated/reported?