Add __return_true() to complement __return_false(). see #12381

git-svn-id: https://develop.svn.wordpress.org/trunk@13526 602fd350-edb4-49c9-b593-d223f7449a82

wp-includes/functions.php

@@ -4047,11 +4047,24 @@ function _search_terms_tidy($t) {
 	return trim($t, "\"'\n\r ");
 }
 
+/**
+ * Returns true
+ *
+ * Useful for returning true to filters easily
+ *
+ * @see __return_false()
+ * @return bool true
+ */
+function __return_true() {
+	return true;
+}
+
 /**
  * Returns false
  *
  * Useful for returning false to filters easily
- * 
+ *
+ * @see __return_true()
  * @return bool false
  */
 function __return_false() {