Sylwester Wojnowski
Web Developer
Helping make the web work for everyone. Welcome to my website. My name is Sylwester Wojnowski and I help individuals and organisations achieve presence on the web.
16 Jul 2020 14:51:53
Learn how to check whether two trees are the same using a recursive algorithm or the spaceship operator in PHP.
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21 Dec 2016 11:07:56
List of Unicode code points for Genericons vector icon set and a BASH script that finds the codes.
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29 Jun 2018 19:38:09
Encrypting files and directories of files with public key and ciphers using GnuPG and gpg-zip.
29 Apr 2017 16:41:28
Sorting UTF-8 encoded strings using strcoll and usort functions or alternatively Collator library in PHP.
14 Jul 2020 11:08:06
An article on recursively updating deeply nested arrays using array_walk_recursive and custom nested array traversal function in PHP.
27 Apr 2018 14:14:09
An article on Mister Spy Bot website hack and how to defend against it.
03 Jul 2017 13:58:12
Article on traversing tree data structure depth-first in pre-order recursively with examples in PHP programming language.
20 May 2021 17:49:23
Have you ever tried to map an associative array to variables in such a way, that each newly initialized variable has a name which corresponds to a key in the array and is assigned a value which is found under the key in the array? If you can map array keys and values to ...
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18 Mar 2021 20:02:19
Is there anyone who still develops with Kohana these days? I do not thinks so ... Hold on a second! I'm one of those dinosaurs! Actually, to be more strict on this, I'm maintaining a few web applications, that have been written using this, once having very good ...
04 Aug 2020 23:21:09
Recently, when trying to write a bookmarklet for Firefox in JavaScript I faced a problem with testing DOM reliant operations in it. The bookmarklet was being written in Node environment and tested with Mocha and Chai. Since, node does not provide jsdom, I had to look for an ...
03 Aug 2020 00:39:31
In this article I look at how to pass a string from a shell script to a PHP program. This problem shows up regularly to me when I make a HTTP request with curl on the command line and have to process response data returned by the utility, often JSON encoded data, using ...
