_nicename = __( 'Anti-Spam', 'ninja-forms' ); // Rename Label setting to Question $this->_settings[ 'label' ][ 'label' ] = __( 'Question', 'ninja-forms' ); $this->_settings[ 'label_pos' ][ 'label' ] = __( 'Question Position', 'ninja-forms' ); // Manually set Field Key and stop tracking. $this->_settings[ 'key' ][ 'value' ] = 'spam'; $this->_settings[ 'manual_key' ][ 'value' ] = TRUE; // Default Required setting to TRUE and hide setting. $this->_settings[ 'required' ][ 'value' ] = 1; $this->_settings[ 'required' ][ 'group' ] = ''; add_filter( 'nf_sub_hidden_field_types', array( $this, 'hide_field_type' ) ); } /** * Validate * * @param $field * @param $data * @return array $errors */ public function validate( $field, $data ) { $errors = parent::validate( $field, $data ); if( ( isset( $field[ 'spam_answer' ] ) && isset( $field[ 'value' ] ) ) && ( $field[ 'spam_answer' ] != $field[ 'value' ] ) ){ $errors = __( 'Incorrect Answer', 'ninja-forms' ); } return $errors; } public function get_parent_type() { return 'spam'; } function hide_field_type( $field_types ) { $field_types[] = $this->_name; return $field_types; } }