functional programming: page 1

• The lambda calculus for developers February 17, 2019

  This will be a quick introduction to the lambda calculus syntax, alpha (α) equivalence and beta (β) reduction. What does a lambda look like? I am going to use the identity function as an example for the simplicity it provides. This can be expressed as a lambda function with the notation λx.x. It is a function that when given an argument outputs that argument as its return value. You can also have multiple arguments with a lambda like λxy. Read more ⇒

• Functional Programming in PHP Second Edition Available Now October 27, 2016

  It is with great pleasure that I announce the second edition of the Functional Programming in PHP book that I have been working on. There is twice the content of the first edition of the book as well as updates for PHP 7 and Facebook’s HHVM (HipHop Virtual Machine). There are now more functional techniques and patterns included with pipelines, pattern matching and flat maps among them. I have added a section of the book dedicated to the handy syntax and functionality that HHVM can provide functional programmers with. Read more ⇒

• Functional PHP talks February 13, 2014

  I was recently invited to speak about functional programming in PHP for both BrightonPHP and PHP Hampshire. The details of which are in a previous blog post. If you attended either talk and you’ve yet to leave feedback then please do on the respective Joind.in pages: Brighton PHP joind.in page PHP Hampshire joind.in page You can view the slides from the sessions on my website. I created the slides using reveal. Read more ⇒

• Speaking about Functional PHP at BrightonPHP and PHP Hampshire January 9, 2014

  I have been invited to speak at both the upcoming meetings of BrightonPHP and PHP Hampshire about functional programming. This is off the back of the site I created for my (soon to be released) book tentatively entitled Functional Programming in PHP. To get a better idea of what the talk will include I have prepared an abstract: In the PHP world functions are generally sneered at due to their simplicity and perceived as an evil side effect of spaghetti code. Read more ⇒