From bf1ff3c7e6671b8b50bd33b81d50b8f0386ee272 Mon Sep 17 00:00:00 2001
From: nacin <nacin@1a063a9b-81f0-0310-95a4-ce76da25c4cd>
Date: Tue, 20 Dec 2011 20:58:30 +0000
Subject: [PATCH] Add `__return_null()` to complement the existing true, false,
 zero, and empty array methods. props johnbillion, fixes #18845.

git-svn-id: http://svn.automattic.com/wordpress/trunk@19607 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-includes/functions.php | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/wp-includes/functions.php b/wp-includes/functions.php
index 0a4f49206..bed84abb6 100644
--- a/wp-includes/functions.php
+++ b/wp-includes/functions.php
@@ -3501,6 +3501,18 @@ function __return_empty_array() {
 	return array();
 }
 
+/**
+ * Returns null.
+ *
+ * Useful for returning null to filters easily.
+ *
+ * @since 3.3.0
+ * @return null
+ */
+function __return_null() {
+	return null;
+}
+
 /**
  * Send a HTTP header to disable content type sniffing in browsers which support it.
  *