Merge remote-tracking branch 'origin/master' into 2.4

[github/wallabag/wallabag.git] / src / Wallabag / CoreBundle / Helper / DownloadImages.php

diff --git a/src/Wallabag/CoreBundle/Helper/DownloadImages.php b/src/Wallabag/CoreBundle/Helper/DownloadImages.php
index 487a3a238eff43ff4316f1897f9fb65deb5310e2..9a7e9828594492bca5bb8286e82e7f31da8f3763 100644 (file)
--- a/src/Wallabag/CoreBundle/Helper/DownloadImages.php
+++ b/src/Wallabag/CoreBundle/Helper/DownloadImages.php
@@ -135,7 +135,21 @@ class DownloadImages
 
         switch ($ext) {
             case 'gif':
-                imagegif($im, $localPath);
+                // use Imagick if available to keep GIF animation
+                if (class_exists('\\Imagick')) {
+                    try {
+                        $imagick = new \Imagick();
+                        $imagick->readImageBlob($res->getBody());
+                        $imagick->setImageFormat('gif');
+                        $imagick->writeImages($localPath, true);
+                    } catch (\Exception $e) {
+                        // if Imagick fail, fallback to the default solution
+                        imagegif($im, $localPath);
+                    }
+                } else {
+                    imagegif($im, $localPath);
+                }
+
                 $this->logger->debug('DownloadImages: Re-creating gif');
                 break;
             case 'jpeg':
@@ -198,7 +212,7 @@ class DownloadImages
                 // Must be one or more digits followed by w OR x
                 $pattern = "/(?:[^\"'\s]+\s*(?:\d+[wx])+)/";
                 preg_match_all($pattern, $srcsetAttribute, $matches);
-                $srcset = call_user_func_array('array_merge', $matches);
+                $srcset = \call_user_func_array('array_merge', $matches);
                 $srcsetUrls = array_map(function ($src) {
                     return trim(explode(' ', $src, 2)[0]);
                 }, $srcset);
@@ -308,7 +322,7 @@ class DownloadImages
             $this->logger->debug('DownloadImages: Checking extension (alternative)', ['ext' => $ext]);
         }
 
-        if (!in_array($ext, ['jpeg', 'jpg', 'gif', 'png'], true)) {
+        if (!\in_array($ext, ['jpeg', 'jpg', 'gif', 'png'], true)) {
             $this->logger->error('DownloadImages: Processed image with not allowed extension. Skipping: ' . $imagePath);
 
             return false;