apply_filters( 'comment_form_submit_button', string $submit_button, array $args )

2864			 *2865			 * @since 4.2.02866			 *2867			 * @param string $submit_button HTML markup for the submit button.2868			 * @param array  $args          Arguments passed to comment_form().2869			 */2870			$submit_button = apply_filters( 'comment_form_submit_button', $submit_button, $args );2871 2872			$submit_field = sprintf(2873				$args['submit_field'],2874				$submit_button,2875				get_comment_id_fields( $post_id )2876			);