From 9aa5512e9424dbe60313725d82e8ab7bf5146c0c Mon Sep 17 00:00:00 2001
From: Andrew Nacin <nacin@git.wordpress.org>
Date: Fri, 16 Aug 2013 20:01:06 +0000
Subject: [PATCH] Add a function to return an empty string, for filters. props
 wpsmith, trepmal. fixes #20357.

git-svn-id: https://develop.svn.wordpress.org/trunk@25037 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-includes/functions.php | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/wp-includes/functions.php b/src/wp-includes/functions.php
index 820069518d..b6d741f477 100644
--- a/src/wp-includes/functions.php
+++ b/src/wp-includes/functions.php
@@ -3667,6 +3667,19 @@ function __return_null() {
 	return null;
 }
 
+/**
+ * Returns an empty string.
+ *
+ * Useful for returning an empty string to filters easily.
+ *
+ * @since 3.7.0
+ * @see __return_null()
+ * @return string Empty string
+ */
+function __return_empty_string() {
+	return '';
+}
+
 /**
  * Send a HTTP header to disable content type sniffing in browsers which support it.
  *