how to set custom validation message in grocery crud - php

Question

$crud = new grocery_CRUD();
$crud->set_table('generate_eblskyid');
$crud->set_rules('salt', 'Salt Code','callback_check_salt');
$output = $crud->render();
then in the call back function i did the following
function check_salt($str)
{
$salt = $_POST['salt'];
if($salt > 5)
{
$this->get_form_validation()->set_message('salt',"Salt value must be less then FIVE");
return FALSE;
}
}
When I go to add record if I give a salt value below five the is inserted successfully but when I give a value greater then five it says "An error has occurred in insert" without displaying my custom message.
What I am doing wrong ??

Answer 1

Your check_salt($str) function should be like this
function check_salt($str)
{
if($str > 5)
{
$this->form_validation->set_message('check_salt',"Salt value must be less then FIVE");
return false;
}else{
return true;
}
}
In set_message function, the callback function name 'check_salt' should be given, not the field name 'salt' This should solve your problem.

Answer 2

This was the only way that I found to makes this work using:
CI 3 and Grocery Crud 1.6.1
$crud->set_rules('name', 'Name', array(
'required',
array(
'company_check',
function ($str) {
$company = $this->Company_model->searchCompanyByName($str);
if (count($company) > 0) {
$this->form_validation->set_message('company_check', 'Error, The company already exist.');
return false;
} else {
return true;
}
}
)
));
Hope this help,