Web Developer Zone
Web Developer Zone is a code first section devoted to tools and techniques used in web development. Thematically, the main focus here is on PHP, Linux, BASH, JavaScript and a little bit of MySQL and Python.
Pick of the week

Insertion Sort algorithm and sorting dates in PHP
03 May 2017 14:04:47
An article on sorting dates and times with insertion sort algorithm in PHP.
Popular

20 May 2021 17:49:23
Mapping associative array keys to variables with $$ in PHP
A neat trick to reduce amount of code needed to access data stored in PHP associative array.

04 Feb 2022 22:19:19
Performing inner and outer SQL joins in CodeIgniter 4
Performing inner and outer SQL joins using prepared queries and Query Builder class in CodeIgniter 4.

14 Jul 2020 11:08:06
Recursively updating deeply nested arrays in PHP
An article on recursively updating deeply nested arrays using array_walk_recursive and custom nested array traversal function in PHP.

03 Aug 2020 00:39:31
Piping JSON object to PHP script
Article about how to pass data from a shell to a PHP script with a pipe on the command line or directly using PHP system function.

07 Apr 2022 00:55:48
MongoDB mongod server fails to start after installation and solution
MongoDB server not starting after installation due to missing dependencies and how to solve this problem.

27 Jan 2022 12:25:32
Creating URL-safe slugs in CodeIgniter 4
Build URL-secure slugs using URL and Text helper functions in CodeIgniter4
Recent

29 Jul 2023 17:05:58
Fixing No input file specified error in CodeIgniter 4
For some time there seems to be confussion regarding how to remove index.php file from URLs a CodeIgniter 4 PHP framework based application receives as its input without breaking functionality the application provides through controllers. Setting value of indexPage to an empty ...

15 Jul 2023 16:56:31
Get logged-in user username and groups with Python
When developing a desktop application for a Linux distribution in Python programming language often it is desirable to know username of a logged-in user and operating system group names the user belongs to. Obtaining these pieces of information requires a bit of knowledge of ...

07 Apr 2023 11:45:35
Error messages in Polish language for CodeIgniter 4 Validation class and use example
Error messages in Polish language for CodeIgniter 4 Validation class and use example have been using CodeIgniter 4 for a lot over the last year. Some stuff I have built with it, like blogs and websites, was for English-only speaking users, but there were also modules for web ...

30 Oct 2022 01:46:30
Setting variables with BASH and getting them in Python script
Over recent years I have been writing more and more automation and other scripts in Python. Many of them require input data which should be stored in an variable on the operating system, rather than somewhere else, before it is available to the Python program. Examples of ...
SWWW

SWWW is my place on the web where I write on stuff related to web development. Main focus here is on my own programs and scripts, but also websites I have developed over years or helped develop, improve or maintain. In the Web Developer Zone I take a closer look at various solutions related to web development and computer programming.
If you find any of my projects interesting, useful or would like to know more on it, do let me know. This website has a contact form. Altenatively, you can leave a comment under an article on the blog.
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I am based in Wakefield, UK, but always happy to consider remote work opportunities.