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.

Blog // Pick of the week

Checking trees for sameness with recursion and spaceship operator in PHP

Checking trees for sameness with recursion and spaceship operator in PHP

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.


Read full article »

Blog // Recent Posts

Setting home and siteurl dynamically in Wordpress

10 Dec 2016 09:44:06

Setting home and siteurl dynamically in Wordpress

If for some reason you have set siteurl and / or home options wrong in your WordPress installation database and as a result can't access admin panel, or perhaps have a reason not to change these options in wp_options table, you can overwrite them either in wp_config.php or ...

Read more »

The most used Wordpress hooks

28 Nov 2016 20:53:05

The most used Wordpress hooks

Below is a list of the most often used hooks (sorted by the number of callbacks attached ) on a vanilla installation of WordPress (v.4.6.1) with twentysixteen theme loaded. On such a setup, in total I found 261 hooks, something was attached to. As seen in the list, the most ...

Read more »

Find total of a column of numbers with BASH

28 Nov 2016 20:53:05

Find total of a column of numbers with BASH

Suppose you have a file with a long list of items followed or perhaps preceded by whole numbers and you are asked to find the total of those numbers. The file might look like this (case 1): aaa:23 bb:2 ccc:98 . . . or perhaps like this (case ...

Read more »