WordPress at a glance
function is not described

WP_Media_List_Table::extra_tablenav() WP 1.0

This is a method of the class: WP_Media_List_Table

Hooks from the method
Return

Null. Nothing.

Usage

$WP_Media_List_Table = new WP_Media_List_Table();
$var = $WP_Media_List_Table->extra_tablenav( $which );
$which(string) (required)

Code of WP Media List Table::extra tablenav: wp-admin/includes/class-wp-media-list-table.php WP 5.2.2

<?php
protected function extra_tablenav( $which ) {
	if ( 'bar' !== $which ) {
		return;
	}
	?>
	<div class="actions">
	<?php
	if ( ! is_singular() ) {
		if ( ! $this->is_trash ) {
			$this->months_dropdown( 'attachment' );
		}

		/** This action is documented in wp-admin/includes/class-wp-posts-list-table.php */
		do_action( 'restrict_manage_posts', $this->screen->post_type, $which );

		submit_button( __( 'Filter' ), '', 'filter_action', false, array( 'id' => 'post-query-submit' ) );
	}

	if ( $this->is_trash && current_user_can( 'edit_others_posts' ) && $this->has_items() ) {
		submit_button( __( 'Empty Trash' ), 'apply', 'delete_all', false );
	}
	?>
	</div>
	<?php
}