Make images clickable in Jekyll

— The blog that you’re on right now is built using Jekyll. So, the other day, I was looking for a way to make images clickable. If you’ve worked with Jekyll previously, you might be knowing that the classic way to insert an image in Jekyll is to use the following Markdown markup like so.

Immediately Invoked Function Expression in PHP

— Sometimes all you need is to define and call function at the same time and only once throughout the scope. Such functions are called as Immediately Invoke Function Expression (IIFE) also known as Self-Executing Anonymous Function.