How/where is it better to customize the public functions used in Laravel5 blade views?

Question

larvel4.2 has libraries folder, you can customize functions and preload them.
How can larvel5 be implemented more elegantly?

Answer 1

Zhanlou to see the answer, I am learning laravel;
http://wenda.golaravel.com/question/718
You can take a look at this

Answer 2

Just find a file to write the function, and composer imports the file.
Or customize a helper class, make the method static, and call it using the namespace.