update_gallery_tab( array $tabs ): array

44function update_gallery_tab( $tabs ) {45	global $wpdb;46 47	if ( ! isset( $_REQUEST['post_id'] ) ) {48		unset( $tabs['gallery'] );49		return $tabs;50	}51 52	$post_id = (int) $_REQUEST['post_id'];53 54	if ( $post_id ) {55		$attachments = (int) $wpdb->get_var( $wpdb->prepare( "SELECT count(*) FROM $wpdb->posts WHERE post_type = 'attachment' AND post_status != 'trash' AND post_parent = %d", $post_id ) );56	}57 58	if ( empty( $attachments ) ) {59		unset( $tabs['gallery'] );60		return $tabs;61	}62 63	/* translators: %s: Number of attachments. */64	$tabs['gallery'] = sprintf( __( 'Gallery (%s)' ), "<span id='attachments-count'>$attachments</span>" );65 66	return $tabs;67}