PHP-PM Is a Process Manager, Supercharger, and Load Balancer for PHP Applications

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PHP-PM Is a Process Manager, Supercharger, and Load Balancer for PHP Applications image

PHP-PM is an open-source process manager, supercharger, and load balancer for PHP applications. It uses ReactPHP to achieve event-driven, non-blocking I/O with PHP.

It’s based on ReactPHP and works best with applications that use request-response frameworks like Symfony’s HTTPKernel. The approach of this is to kill the expensive bootstrap of PHP (declaring symbols, loading/parsing files) and the bootstrap of feature-rich frameworks. See Performance section for a quick hint. PHP-PM basically spawns several PHP instances as worker bootstraping your application (eg. the whole Symfony Kernel) and hold it in the memory to be prepared for every incoming request: This is why PHP-PM makes your application so fast.

At a high level, the main features of PPM are:

  • Performance boost up to 15x (compared to PHP-FPM, Symfony applications).
  • Integrated load balancer.
  • Hot-Code reload (when PHP files change).
  • Static file serving for easy development procedures.
  • Support for HttpKernel (Symfony/Laravel), Drupal (experimental), Zend (experimental).

PHP-PM is not ready for prime-time at the time of writing, but this technique is a fascinating approach that thinks outside the typical box of serving high-performance PHP applications. The authors are working on issues and pushing non-blocking processes in PHP to the limit. In my opinion, PHP will inch closer to being as performant as other options like Java and Node, and projects like PHP-PM seem like a neat approach to unlocking the performance needed for greater I/O. I am looking forward to seeing where projects like PPM and ReactPHP take PHP.

PHP7’s performance improvements were drastic from PHP5 and in my humble opinion we will see more performance-related focus on upcoming PHP releases and open-source software using PHP.

Learn More

Check out the official GitHub repository and the README to learn more about running PHP-PM.

One of the main contributors, Marc J. Schmidt, also wrote up a detailed article Bring High Performance Into Your PHP App (with ReactPHP) that explains the concepts used in PPM in greater detail.

Paul Redmond photo

Staff writer at Laravel News. Full stack web developer and author.

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