comment_form_submit_field │ filter-hook │ WP 4.2.0

Filters the submit field for the comment form to display.

The submit field includes the submit button, hidden fields for the comment form, and any wrapper markup.

Usage

add_filter( 'comment_form_submit_field', 'wp_kama_comment_form_submit_field_filter', 10, 2 );

/**
 * Function for `comment_form_submit_field` filter-hook.
 * 
 * @param string $submit_field HTML markup for the submit field.
 * @param array  $args         Arguments passed to comment_form().
 *
 * @return string
 */
function wp_kama_comment_form_submit_field_filter( $submit_field, $args ){

	// filter...
	return $submit_field;
}

$submit_field(string)

HTML markup for the submit field.

$args(array)

Arguments passed to comment_form().

Changelog

Where the hook is called

echo apply_filters( 'comment_form_submit_field', $submit_field, $args );

Where the hook is used in WordPress