PHP 7.2 count() Issue

[SimonePellecchia]

Hi, there are some problem with this library after updating to php 7.2.
It doesn't support count() to check empty params.
"count(): Parameter must be an array or an object that implements Countable"

[pburel]

@count() could solve

[SimonePellecchia]

Bu is not much elegant :) Happy 2019