Ticket #21930: pluggable.php.patch

wp-includes/pluggable.php

@@ -1625 +1625 @@
                         $default = $avatar_default;
         }
 
+        // Allow hooks to set an avatar before going through Gravatar construction
+        $avatar = apply_filters('pre_get_avatar', '', $id_or_email, $size, $default, $alt);
+
+        if ( empty( $avatar ) ) {
         if ( !empty($email) )
                 $email_hash = md5( strtolower( trim( $email ) ) );
 
@@ -1664 +1668 @@
         } else {
                 $avatar = "<img alt='{$safe_alt}' src='{$default}' class='avatar avatar-{$size} photo avatar-default' height='{$size}' width='{$size}' />";
         }
+        }
 
         return apply_filters('get_avatar', $avatar, $id_or_email, $size, $default, $alt);
 }