Is there a form validation class in CodeIgniter?

Is there a form validation class in CodeIgniter?

CodeIgniter provides a comprehensive form validation and data prepping class that helps minimize the amount of code you’ll write. Try it! Before explaining CodeIgniter’s approach to data validation, let’s describe the ideal scenario: A form is displayed.

What do you need to know about CodeIgniter?

CodeIgniter provides a comprehensive form validation and data prepping class that helps minimize the amount of code you’ll write. Before explaining CodeIgniter’s approach to data validation, let’s describe the ideal scenario:

Why does form reload in CodeIgniter return false?

To try your form, visit your site using a URL similar to this one: If you submit the form you should simply see the form reload. That’s because you haven’t set up any validation rules yet. Since you haven’t told the Form Validation class to validate anything yet, it returns FALSE (boolean false) by default.

How to change the language of form validation?

To change the language for your form_validation messages, you need to do a little trick, changing the default language like this: $ci->config->set_item(‘language’, $siteLang);

Which is the form open function in CodeIgniter?

You can use CodeIgniter’s form_open () function to create a form or standard HTML form to build your form. The advantage of using the form_open () function is it automatically adds the action to the form. The below form is created in a file form.php under app/Views folder.

What are the parameters of the form validation method?

The above method takes three parameters as input: The field name – the exact name you’ve given the form field. A “human” name for this field, which will be inserted into the error message. For example, if your field is named “user” you might give it a human name of “Username”. The validation rules for this form field.

When to use prepping functions in form validation?

Any native PHP function that accepts one parameter can be used as a rule, like “htmlspecialchars ()“, “trim ()“, etc. You will generally want to use the prepping functions after the validation rules so if there is an error, the original data will be shown in the form.