Add custom error messages to CI validation_errors()

Question

There's a way to add custom error messages to CodeIgniter validation_errors();?

Example, if I wanted a field with a 123456 value, and the user inputs 12345 I'd want to set a message to say:

The number 6 is required!

And any other custom rules I may want to add. Like a specific pattern or any other things.

Sorry for my english.

Viral · Accepted Answer · 2015-06-16 13:49:25Z

2

Yes, that is possible.

Set rules with callback like,

$this->form_validation->set_rules('field_name', 'Number', 'callback_custom_validation');

and define callback in the same controller like,

public function custom_validation($str)
{
    if ($str != '123456')
    {
        $this->form_validation->set_message('field_name', 'The %s field requires 123456');
        return false;
    }
    else
    {
        return true;
    }
}

Display your errors in view with <?php echo form_error('field_name')?>

More info on callbacks here.

edited Jun 16, 2015 at 13:49

user4419336

answered Jun 16, 2015 at 13:11

Viral

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1 Comment

Galivan Over a year ago

I think the first argument of set_message() should be the name of the callback function. $this->form_validation->set_message('custom_validation', 'The %s field requires 123456');

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