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Ticket #11311: 11311-2.patch

File 11311-2.patch, 809 bytes (added by jacklenox, 8 years ago)
I feel a bit hesitant sharing this, but here's a slight twist on Alex's original patch that seems to work for every case I can think of. It allows through ampersands that are surrounded by spaces. This seems to fit most use cases when people would want to use an ampersand in a title or body content. Any thoughts?

  */
 function wp_kses_normalize_entities($string) {
         // Disarm all entities by converting & to &amp;
+        $string = str_replace(' & ', ' %%ampplaceholder%% ', $string);
         $string = str_replace('&', '&amp;', $string);
         // Change back the allowed entities in our entity whitelist
 …
         $string = preg_replace_callback('/&amp;#(0*[0-9]{1,7});/', 'wp_kses_normalize_entities2', $string);
         $string = preg_replace_callback('/&amp;#[Xx](0*[0-9A-Fa-f]{1,6});/', 'wp_kses_normalize_entities3', $string);
+        $string = str_replace(' %%ampplaceholder%% ', ' & ', $string);
         return $string;
+}