Add support to get_terms() to allow 'include' & 'exclude' args to be arrays(). Fixes #11076 props scribu.

git-svn-id: https://develop.svn.wordpress.org/trunk@12658 602fd350-edb4-49c9-b593-d223f7449a82

wp-includes/functions.php

@@ -2749,6 +2749,21 @@ function wp_parse_args( $args, $defaults = '' ) {
 	return $r;
 }
 
+/**
+ * Clean up an array, comma- or space-separated list of IDs
+ *
+ * @since 3.0.0
+ *
+ * @param array|string $list
+ * @return array Sanitized array of IDs
+ */
+function wp_parse_id_list($list) {
+	if ( !is_array($list) )
+		$list = preg_split('/[\s,]+/', $list);
+
+	return array_unique(array_map('absint', $list));
+}
+
 /**
  * Determines if default embed handlers should be loaded.
  *