Parsley (2.8.1) unique username validation with php
问题 I read all the documentation of the Parsley Js web site. But i not get enough understand how to set custom validation depend on AJAX response. I need to validate a username and check if it is already exist in the database if it is yes and show the error when hit the submit button. I look around here and try to find any question regarding to this i could not fine that only i got how ajax code should place to validate that forms. I need to know how the PHP file look likes. That why i post that