formapro/pvm is a PHP library for building workflows and business processes. Â This is a nice addition to alternatives that I’ve looked at in “Getting started with workflows in PHP“. Â The library is brought to you by Forma Pro, the same guys who are behind the php-enqueue enterprise queuing solution in PHP.
PHP Internals Book
PHP Internals Book provides some insight into how PHP works internally. Â It currently covers PHP 5, with PHP 7 update coming soon. Â If you are eager to help, the book is available under Creative Commons on GitHub.
Async PHP Requests & Reactive Responses with PHP-FPM
“Async PHP Requests & Reactive Responses with PHP-FPM” is talk by Holger Woltersdorf, in which he shares the approaches he tried for implementing asynchronous requests in PHP, and how he arrived at hollodotme/fast-cgi-client, which is a PHP fast CGI client for sending requests (a)synchronously to PHP-FPM.
List of cognitive biases
List of cognitive biases is probably the single most useful resource on practical psychology that I’ve seen in my life.
Cognitive biases are tendencies to think in certain ways that can lead to systematic deviations from a standard of rationality or good judgment, and are often studied in psychology and behavioral economics.
Although the reality of these biases is confirmed by replicable research, there are often controversies about how to classify these biases or how to explain them. Some are effects of information-processing rules (i.e., mental shortcuts), called heuristics, that the brain uses to produce decisions or judgments. Such effects are called cognitive biases. Biases have a variety of forms and appear as cognitive (“cold”) bias, such as mental noise, or motivational (“hot”) bias, such as when beliefs are distorted by wishful thinking. Both effects can be present at the same time.
This will take me a very long while to process …
Rate Limiting with NGINX and NGINX Plus
Nginx blog (which, if you work with Nginx in any capacity, you should subscribe to) has an excellent guide to rate limiting. Â The article explains rate limiting from the basics, through bursts, all the way to more advanced examples, with multiple rate limits for the same location.


