S.Wojnowski - web development

Helping make the web work for everyone.

Welcome to my website. My name is Sylwester Wojnowski. I am a full stack web developer who started programming for the internet in 1998. As a web developer I plan, design and implement intereactive internet technologies and applications for individuals and organisations.

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

Database queries with bindings and Query Builder essentials in CodeIgniter 4

Database queries with bindings and Query Builder essentials in CodeIgniter 4

23 Jan 2022 01:25:58


Basics of fetching data from database using queries with bindings and Query Builder class in CodeIgniter 4


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Recent

Substituting file contents in place with BASH and sed

05 Mar 2017 16:33:19

Substituting file contents in place with BASH and sed

Here is how to substitute file contents in place with sed or BASH Substituting in place with sed # Usage : sed_sub_in_place search replace file # ^[\].*$ escaped in search (Basic Regular Expressions) # / and & escaped in replace ( escape BRE special characters: ^[\].*$ ...

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installing PHPUnit

18 Feb 2017 15:10:51

installing PHPUnit

Install PHPUnit with a BASH script. PHPUnit installing and executing script The script below, called install_phpunit.sh, can be run with no arguments, in such circumstances it installs current stable release of PHPUnit. It checks for root privileges before it begins ...

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Arrays in BASH

12 Feb 2017 14:48:27

Arrays in BASH

BASH array operations and syntax Suppose you have four strings: a b c d, and you want to place them all in array, here is how you could achieve this: arr=(a b c d) To take a look at what is in your array you use declare built-in: declare -p arr If you need to get all the ...

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BASH recursion examples - part 2

30 Jan 2017 17:08:29

BASH recursion examples - part 2

Asking for permission to carry on Here is the first example of recursive function. Imagine your script needs to ask for permission to proceed to the next stage of some automation process. Perhaps, that next stage consists of deletion of some important directories and ...

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SWWW

S.Wojnowski - web developer

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.

Need a web developer?

S.Wojnowski - Hire a web developer

If you need a web developer for web development work drop me a line!

I am based in Wakefield, UK, but always happy to consider remote work opportunities.

Contact Me