What is a good validation class?

Question

PHP

Actually a subject. What is a good validation class in php? Perhaps there is something similar to Laravel?

Answer 1

You won't believe it, but it's called Validation :-)

Answer 2

Hmm... I looked at the git-s - I was shocked...
Learn regexp.

Answer 3

Alternatively, use the filter_var() function

Answer 4

So, where is the autoloader?
vendor/autoload
php can't autoload files