In `WP_Query::parse_tax_query()`, allow taxonomy querystring to be formatted as an array.

Props Veraxus.
Fixes #32454.
Built from https://develop.svn.wordpress.org/trunk@33095


git-svn-id: http://core.svn.wordpress.org/trunk@33066 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/query.php

@@ -1867,6 +1867,10 @@ class WP_Query {
 
 				$term = $q[$t->query_var];
 
+				if ( is_array( $term ) ) {
+					$term = implode( ',', $term );
+				}
+
 				if ( strpos($term, '+') !== false ) {
 					$terms = preg_split( '/[+]+/', $term );
 					foreach ( $terms as $term ) {

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.3-beta1-33094';
+$wp_version = '4.3-beta1-33095';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.