[eluser]Unknown[/eluser]
CI form error is return 1 by 1 so means
if i have 2 fields are required and it will return
"field_1 is required"
"field_1 is required"
and now i want to create my own error which if 2 fields are empty and only return 1 error msg
"fields_1 and field_2 are required"
how do i do this with callback?