Web Sys

Which validation rule checks if a field value exists in a set of values?

• in_set

• allowed_values

• exists_in

• in_list

Which method is used to retrieve a specific error message for a particular field?

• fetchError('field')

• retrieveError('field')

• showError('field')

• getError('field')

Which validation rule would you use to ensure a field contains only numeric values?

• is_number

• numeric

• is_integer

• digits_only

How can you set a custom rule in CodeIgniter 4?

• Use the setRule() method or define it in the configuration file

• Use the customRule() method

• Define the rule in the view file

• Set the rule in the database

What is the primary purpose of validation in CodeIgniter 4?

• Manage application routing

• Handle database queries

• Generate HTML content

• Ensure data integrity before processing

How can you validate that a field contains a unique value in the database?

• is_unique_value

• is_unique

• 
  

  unique_check

• unique_field

How can you validate if a field matches another field in CodeIgniter 4?

• equal_to

• match

• compare

• matches

Which method is used to check if validation passed or failed?

• hasError()

• valid()

• passed()

• check()

Which built-in validation rule checks if a value is a valid email address?

• valid_email

• email_check

• email_valid

• valid_email_address

Which method is used to remove a specific piece of session data?

• deleteData()

• remove()

• clear()

• removeData()