Changeset 50137 for trunk/src/wp-includes/blocks/block.php

Timestamp:

02/02/2021 05:14:46 AM (4 years ago)

Author:

noisysocks

Message:

Editor: Update @wordpress npm packages

Update @wordpress npm packages to the latest published versions. This means that
the block editor includes functionality that exists in Gutenberg 9.9.

Fixes #52334.

File:

• trunk/src/wp-includes/blocks/block.php (modified) (2 diffs)

trunk/src/wp-includes/blocks/block.php

@@ -14 +14 @@
  */
 function render_block_core_block( $attributes ) {
+    static $seen_refs = array();
+
     if ( empty( $attributes['ref'] ) ) {
         return '';
@@ -23 +25 @@
     }
 
+    if ( isset( $seen_refs[ $attributes['ref'] ] ) ) {
+        if ( ! is_admin() ) {
+            trigger_error(
+                sprintf(
+                    // translators: %s is the user-provided title of the reusable block.
+                    __( 'Could not render Reusable Block <strong>%s</strong>: blocks cannot be rendered inside themselves.' ),
+                    $reusable_block->post_title
+                ),
+                E_USER_WARNING
+            );
+        }
+
+        // WP_DEBUG_DISPLAY must only be honored when WP_DEBUG. This precedent
+        // is set in `wp_debug_mode()`.
+        $is_debug = defined( 'WP_DEBUG' ) && WP_DEBUG &&
+            defined( 'WP_DEBUG_DISPLAY' ) && WP_DEBUG_DISPLAY;
+
+        return $is_debug ?
+            // translators: Visible only in the front end, this warning takes the place of a faulty block.
+            __( '[block rendering halted]' ) :
+            '';
+    }
+
     if ( 'publish' !== $reusable_block->post_status || ! empty( $reusable_block->post_password ) ) {
         return '';
     }
 
-    return do_blocks( $reusable_block->post_content );
+    $seen_refs[ $attributes['ref'] ] = true;
+
+    $result = do_blocks( $reusable_block->post_content );
+    unset( $seen_refs[ $attributes['ref'] ] );
+    return $result;
 }