Changeset 56244

Timestamp:

07/17/2023 01:45:24 AM (21 months ago)

Author:

isabel_brison

Message:

Editor: trim footnote anchors from post excerpts.

Adds the excerpt_remove_footnotes function to trim footnote anchors from post excerpts.

Props: ramonopoly, costdev, mukesh27, mcsf, azaozz.
Fixes #58805.

Location:

trunk

Files:

• src/wp-includes/blocks.php (modified) (1 diff)
• src/wp-includes/formatting.php (modified) (3 diffs)
• tests/phpunit/tests/formatting/excerptRemoveFootnotes.php (added)

trunk/src/wp-includes/blocks.php

@@ -1011 +1011 @@
 
 /**
+ * Parses footnotes markup out of a content string,
+ * and renders those appropriate for the excerpt.
+ *
+ * @since 6.3.0
+ *
+ * @param string $content The content to parse.
+ * @return string The parsed and filtered content.
+ */
+function excerpt_remove_footnotes( $content ) {
+    if ( ! str_contains( $content, 'data-fn=' ) ) {
+        return $content;
+    }
+
+    return preg_replace(
+        '_<sup data-fn="[^"]+" class="[^"]+">\s*<a href="[^"]+" id="[^"]+">\d+</a>\s*</sup>_',
+        '',
+        $content
+    );
+}
+
+/**
  * Renders inner blocks from the allowed wrapper blocks
  * for generating an excerpt.

trunk/src/wp-includes/formatting.php

@@ -3953 +3953 @@
  * @since 1.5.0
  * @since 5.2.0 Added the `$post` parameter.
+ * @since 6.3.0 Removes footnotes markup from the excerpt content.
  *
  * @param string             $text Optional. The excerpt. If set to empty, an excerpt is generated.
@@ -3967 +3968 @@
         $text = strip_shortcodes( $text );
         $text = excerpt_remove_blocks( $text );
+        $text = excerpt_remove_footnotes( $text );
 
         /*
@@ -4009 +4011 @@
         $excerpt_more = apply_filters( 'excerpt_more', ' ' . '[…]' );
         $text         = wp_trim_words( $text, $excerpt_length, $excerpt_more );
+
     }