From 8b1f1550773c3dc03f099d8494820236b47b7ae7 Mon Sep 17 00:00:00 2001
From: George Mamadashvili <georgemamadashvili@gmail.com>
Date: Thu, 20 Jul 2023 10:55:33 +0400
Subject: [PATCH] Footnotes: Use static closures when not using ''

---
 packages/block-library/src/footnotes/index.php | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/packages/block-library/src/footnotes/index.php b/packages/block-library/src/footnotes/index.php
index d3bee13672594..d28161d6acdae 100644
--- a/packages/block-library/src/footnotes/index.php
+++ b/packages/block-library/src/footnotes/index.php
@@ -86,7 +86,7 @@ function register_block_core_footnotes() {
 	 *
 	 * @param int $revision_id The revision ID.
 	 */
-	function( $revision_id ) {
+	static function( $revision_id ) {
 		$post_id = wp_is_post_revision( $revision_id );
 
 		if ( $post_id ) {
@@ -107,7 +107,7 @@ function( $revision_id ) {
 	 *
 	 * @param int $revision_id The revision ID.
 	 */
-	function( $revision_id ) {
+	static function( $revision_id ) {
 		global $_gutenberg_revision_id;
 		$_gutenberg_revision_id = $revision_id;
 	}
@@ -129,7 +129,7 @@ function( $revision_id ) {
 		 *
 		 * @param WP_Post $post The post object.
 		 */
-		function( $post ) {
+		static function( $post ) {
 			global $_gutenberg_revision_id;
 
 			if ( $_gutenberg_revision_id ) {
@@ -158,7 +158,7 @@ function( $post ) {
 	 * @param int $post_id      The post ID.
 	 * @param int $revision_id  The revision ID.
 	 */
-	function( $post_id, $revision_id ) {
+	static function( $post_id, $revision_id ) {
 		$footnotes = get_post_meta( $revision_id, 'footnotes', true );
 
 		if ( $footnotes ) {
@@ -180,7 +180,7 @@ function( $post_id, $revision_id ) {
 	 *
 	 * @return array The revision fields.
 	 */
-	function( $fields ) {
+	static function( $fields ) {
 		$fields['footnotes'] = __( 'Footnotes' );
 		return $fields;
 	}
@@ -198,7 +198,7 @@ function( $fields ) {
 	 *
 	 * @return string The field value.
 	 */
-	function( $revision_field, $field, $revision ) {
+	static function( $revision_field, $field, $revision ) {
 		return get_metadata( 'post', $revision->ID, $field, true );
 	},
 	10,