From 5c90df8996129d363e1bb0ab001e135d6e985eb3 Mon Sep 17 00:00:00 2001
From: Joe McGill <joemcgill@gmail.com>
Date: Sun, 20 Sep 2015 17:10:34 -0500
Subject: [PATCH] Content filter: Bail early if `srcset` present.

---
 wp-tevko-responsive-images.php | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/wp-tevko-responsive-images.php b/wp-tevko-responsive-images.php
index c50bcfb..9bcb790 100644
--- a/wp-tevko-responsive-images.php
+++ b/wp-tevko-responsive-images.php
@@ -333,6 +333,11 @@ function _tevkori_filter_content_images_callback( $image ) {
 	list( $image_html, $atts ) = $image;
 	$id = $size = false;
 
+	// Bail early if a `srcset` attribute already exists.
+	if ( ! strpos( $atts, 'srcset=' ) ) {
+		return $image_html;
+	}
+
 	// Grab ID and size info from core classes.
 	if ( preg_match( '/wp-image-([0-9]+)/i', $atts, $class_id ) ) {
 		(int) $id = $class_id[1];