add( 'error_nonce_no_match', esc_html__( 'Something went wrong, please try again.', 'acf-city-selector' ) ); return; } else { $acfcs_selected_file_name = isset( $_POST[ 'acfcs_file_name' ] ) ? sanitize_text_field( wp_unslash( $_POST[ 'acfcs_file_name' ] ) ) : false; } } ?>