Bidirectional Signals from the Emitter's Perspective in PHP
A New Observer Pattern: Bidirectional Signals from the Emitter’s Perspective in PHP Morteza 5 min read · Aug 23, 2025 -- Listen Share Press enter or click to view image in full size php-repos’s observer pattern Introduction: Shifting the Observer Perspective In software, the traditional observer pattern is often designed with the observer in mind: an event happens, like a user logging in, and a handler — say, a logger — reacts by recording it. This perspective assumes the observer (the handle