In Codeigniter, how do I pass the third parameter for a callback (form validation)?

Question

I am currently using a form validation class (on Codeigniter) and customization rules.

It works as follows with two parameters ( codeigniter.com/user_guide/libraries/form_validation.html ):

$this->form_validation->set_rules('username', 'Username', 'callback_test[abc]'); 

But what about the third parameter? And the fourth ...? Is it possible?

Answer 1

This is not official, but it works

Divide parameter by ','

 $this->form_validation->set_rules('article_big_image','Gambar Besar','callback_check_picture[article_big_image,edit]'); function check_picture($image,$param){ $param = preg_split('/,/', $param); $field = $param[0]; $action = $param[1]; echo $field.$action; } 

Answer 2

Not without an extended system form validation class. For information on how to achieve this, check out the article.

Alternatively, you can access post variables in your callback function using:

 $this->input->post('field_name'); 

which may or may not help you.

Answer 3

You can use Array to get additional parameters for more fields, as shown below:

  $error = array( array( 'field' => 'check', // the field name will come here 'label' => 'Check', 'rules' => 'required|here you can put the callback Function' ) ); 

Answer 4

 $this->form_validation->set_rules('article_big_image','Gambar','callback_check_picture[article_big_image,edit]'); function check_picture($image,$param){ $param = explode(',', $param); $field = isset($param[0])?$param[0]:''; $action = isset($param[1])?$param[1]:''; echo $field.$action; } 

Answer 5

You can go to the rule |callback_handle_is_unique_value_combinations[val1,val2]

than, public function callback_handle_is_unique_value_combinations($str, $field) { $fields = explode(',', $field); $val1 = $fields[0]; $val2 = $fields[1]; public function callback_handle_is_unique_value_combinations($str, $field) { $fields = explode(',', $field); $val1 = $fields[0]; $val2 = $fields[1];

and then you made your cponarisons