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.

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.

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.

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

15 Jan 2017 16:58:45
Bash recursion examples - part 1
Some recursive functions written in BASH Dealing with misbehaving recursive code in Bash Below is a chunk of code that stops recursive function. Better stop it than be sorry. declare -i recursion_level=1 declare -i exit_recursion_level=120 recursive(){ local -i ...

11 Jan 2017 12:58:48
Env and BASH declare
Environmental variables on a Linux based system like Debian are named strings available to all applications initialized from text console or some graphical interface. These variables are gradually added by various processes as your system starts. Once login shell is invoked ...

03 Jan 2017 13:03:49
Updating WordPress database URLs - part 2
Updating WordPress database URLs, part 2 - a database-wide approach. All tables get scanned and old URLs updated to new ones. Also serialized data is properly dealt with. The script The script is a general purpose filter, it takes INPUTDB, which is name of the database (as ...

01 Jan 2017 15:27:35
Updating WordPress database URLs - part 1
Update URLs in WordPress database. A word of caution Make sure you don't introduce changes on a live website and that you keep the original backup file till you're sure that new setup works as required. Before you run the script given belowmake sure you have user ...
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.