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
Dissecting e-mail spamming hack based on PHP CGI
24 Jul 2020 18:27:44
Article about how vulnerable PHP CGI setups can become a source of e-mail spam.
Popular
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.
18 Jul 2020 00:39:07
Transforming range of variable to 0 to 1 and custom ranges
Learn how to transform variable's range to [0,1] or a custom range.
29 Jul 2023 17:05:58
Fixing No input file specified error in CodeIgniter 4
Get rid of No input file specified error in CodeIgniter 4.
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.
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
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.
Recent
20 Apr 2018 15:12:07
Using WordPress on the command line
There are situations where it is handy to speak to WordPress directly from the the command line. For example, imagine that you must regain access to your website's admin panel after you have your website's admin area access locked out because you have forgotten your ...
16 Apr 2018 22:25:52
POST request and Transients API in WordPress
It is striking how often basic scripting of POST request can cause a real headache to a person who is not somewhat familiar with certain assumptions WordPress makes on how these requests should be handled. Even more confusion can ensue in cases when a feedback has to be given ...
30 Oct 2017 21:11:08
Watermarking images with ImageMagick and BASH
In this article I give a command line script for watermarking JPEG and PNG files with ImageMagick. Primary reason for me to write the script was the need of watermarking a large number of my own graphics files before posting them online as well as watermarking JPEGs and PNGs for ...
26 Oct 2017 16:54:32
Finding permutations with Heap algorithm in PHP
Suppose, you are given a list of two items, say one is called "a" and the other "b" and asked to find all the possible arrangements (also called permutations without repetition) of these items. All your arrangements should consist of exactly the number 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.