Docs: Document the usage of `$_wp_current_template_content` global in a few block template functions.

Follow-up to [51003], [51149].

See #52628.
Built from https://develop.svn.wordpress.org/trunk@51150


git-svn-id: http://core.svn.wordpress.org/trunk@50759 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/block-template.php

@@ -12,6 +12,8 @@
  *
  * @since 5.8.0
  *
+ * @global string $_wp_current_template_content
+ *
  * @param string $template  Path to the template. See locate_template().
  * @param string $type      Sanitized filename without extension.
  * @param array  $templates A list of template candidates, in descending order of priority.
@@ -147,7 +149,10 @@ function _block_template_render_title_tag() {
  * @access private
  * @since 5.8.0
  *
- * @return string block tempate markup.
+ * @global string   $_wp_current_template_content
+ * @global WP_Embed $wp_embed
+ *
+ * @return string Block template markup.
  */
 function get_the_block_template_html() {
 	global $_wp_current_template_content;

wp-includes/theme-templates.php

@@ -72,9 +72,12 @@ function wp_filter_wp_template_unique_post_slug( $override_slug, $slug, $post_ID
  * @access private
  * @since 5.8.0
  *
+ * @global string $_wp_current_template_content
+ *
  * @return void
  */
 function the_block_template_skip_link() {
+	global $_wp_current_template_content;
 
 	// Early exit if not a block theme.
 	if ( ! current_theme_supports( 'block-templates' ) ) {
@@ -82,7 +85,6 @@ function the_block_template_skip_link() {
 	}
 
 	// Early exit if not a block template.
-	global $_wp_current_template_content;
 	if ( ! $_wp_current_template_content ) {
 		return;
 	}

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.8-beta1-51149';
+$wp_version = '5.8-beta1-51150';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.