PHP

Who wrote PHP?

https://www.php.net/credits.php

How do you upgrade?

See the migrating appendices in the manual

Resource Sites

Aidan Lister from Autstralia has a nice site online (source provided to make your own similar site) which lists many classes and PHP functions for doing routine things that you will inevitabably face in programming. Things like making a directory structure recursively, or checking the size of a directory and it's contents. http://aidanlister.com/
Jeroen (John) Post created http://onlinephpfunctions.com/ which lets you play with PHP code in the browser, and specifically test that code with multiple versions of PHP.

Language Features

Magic Methods

SetnGeti - an implementation of Magic Methods for getting and setting based on traits and DocBlock comments.
Don't do it the wrong way

JSON

With json_decode(), you either get an object, or using the optional second parameter, you can force the return value to an array. In the former case, you access the content using object notation. In the latter case, you use array notation. ie.

$data = json_decode($data);
$version = $data->query->general->generator;
    // or     
$data = json_decode($data, true);
$version = $data['query']['general']['generator'];

ToDo

implement the codesniffer locally https://github.com/wikimedia/mediawiki-tools-codesniffer

PHP

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