From d96fae2a3ccf6264d544dcd5a60f87efe1189adf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=B0=B9=E8=AF=9A=E8=AF=9A?= <ycc@hainatravel.com>
Date: Thu, 20 Sep 2018 16:47:52 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0webp=E5=9B=BE=E7=89=87?=
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---
 .../third_party/htmlcompressor/controllers/index.php      | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/application/third_party/htmlcompressor/controllers/index.php b/application/third_party/htmlcompressor/controllers/index.php
index a274688b..3ad61841 100644
--- a/application/third_party/htmlcompressor/controllers/index.php
+++ b/application/third_party/htmlcompressor/controllers/index.php
@@ -301,7 +301,13 @@ class Index extends CI_Controller
             $img_alt = $image->alt;
             $img_class = $image->class;
             if (!empty($img_size)) {
-                $image->outertext = " <amp-img layout=\"responsive\" class=\"{$img_class}\" alt=\"{$img_alt}\" src=\"{$img_src}\" width=\"{$img_size->width}\" height=\"{$img_size->height}\"></amp-img>";
+				//添加webp图片支持
+				$img_src_webp='';
+				if(substr($img_src, -4) == '.jpg'){
+					$img_src_webp=substr($img_src, 0, strlen($img_src) - 4).'.webp';
+					$img_src_webp = " <amp-img fallback layout=\"responsive\" class=\"{$img_class}\" alt=\"{$img_alt}\" src=\"{$img_src_webp}\" width=\"{$img_size->width}\" height=\"{$img_size->height}\"></amp-img>";
+				}
+				$image->outertext = " <amp-img layout=\"responsive\" class=\"{$img_class}\" alt=\"{$img_alt}\" src=\"{$img_src}\" width=\"{$img_size->width}\" height=\"{$img_size->height}\" {$img_src_webp}></amp-img>";
             }
         }
         foreach ($html_object->find('#content_main') as $content_main) {