From 6655f30fd9a00f9411db529df7ae7e1b6afb68bc Mon Sep 17 00:00:00 2001
From: Andrew Nacin <wp@andrewnacin.com>
Date: Mon, 16 Sep 2013 22:12:09 +0000
Subject: [PATCH] If the script_loader_src filter returns nothing, bail instead
 of printing <script src="">.

props niallkennedy.
fixes #22470.

Built from https://develop.svn.wordpress.org/trunk@25465


git-svn-id: http://core.svn.wordpress.org/trunk@25386 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-includes/class.wp-scripts.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/wp-includes/class.wp-scripts.php b/wp-includes/class.wp-scripts.php
index 38f3f9fcf3..5e16632152 100644
--- a/wp-includes/class.wp-scripts.php
+++ b/wp-includes/class.wp-scripts.php
@@ -119,6 +119,9 @@ class WP_Scripts extends WP_Dependencies {
 
 		$src = esc_url( apply_filters( 'script_loader_src', $src, $handle ) );
 
+		if ( ! $src )
+			return true;
+
 		if ( $this->do_concat )
 			$this->print_html .= "<script type='text/javascript' src='$src'></script>\n";
 		else