In `get_avatar_data()`, there's no need to return `false` if we couldn't find an avatar, as Gravatar can handle being given an empty email hash. This allows the default avatar to show when no email address is given.

See #21195


Built from https://develop.svn.wordpress.org/trunk@31153


git-svn-id: http://core.svn.wordpress.org/trunk@31134 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/link-template.php

@@ -3390,7 +3390,7 @@ function get_avatar_url( $id_or_email, $args = null ) {
  *
  *     @type bool   $found_avatar True if we were able to find an avatar for this user,
  *                                false or not set if we couldn't.
- *     @type false|string $url          The URL of the avatar we found, or false if we couldn't find an avatar.
+ *     @type string $url          The URL of the avatar we found.
  * }
  */
 function get_avatar_data( $id_or_email, $args = null ) {
@@ -3547,12 +3547,5 @@ function get_avatar_data( $id_or_email, $args = null ) {
 	 * @param array             $args          Arguments passed to get_avatar_data(), after processing.
 	 * @param int|object|string $id_or_email   A user ID, email address, or comment object.
 	 */
-	$args = apply_filters( 'get_avatar_data', $args, $id_or_email );
-
-	// Don't return a broken URL if we couldn't find the email hash, and none of the filters returned a different URL.
-	if ( ! $email_hash && $url === $args['url'] ) {
-		$args['url'] = false;
-	}
-
-	return $args;
+	return apply_filters( 'get_avatar_data', $args, $id_or_email );
 }

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.2-alpha-31152';
+$wp_version = '4.2-alpha-31153';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.