Creates an array that contains a range of elements from $start to $end. Example: if my start value is 0 and the $end value is 70 and my step value is 10 the values of my array elements are: 0, 10, 20, 30 ,40, 50, 60, 70.

The fgetcsv function gets line from file pointer and parse for CSV fields

Today we are going to see compact() function on PHP, although it seems pretty simple what it does, it could help you to save time and will also make your code a bit more verbose.

Composer is a tool for dependency management in PHP. It allows you to declare the libraries your project depends on and it will manage (install/update) them for you.