From b8f55f55e79fed231acfcb9a8d69c72506b89750 Mon Sep 17 00:00:00 2001
From: Julio Foulquie <jfoulquie@gmail.com>
Date: Mon, 5 Mar 2018 17:52:07 -0300
Subject: [PATCH] Use empty() instead of isset() when looking if the cover is
 empty.

When no cover is found, the value of $cover is '', so it's always set.
---
 src/Parsers/HtmlParser.php | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/Parsers/HtmlParser.php b/src/Parsers/HtmlParser.php
index c8717cf..8d596b9 100644
--- a/src/Parsers/HtmlParser.php
+++ b/src/Parsers/HtmlParser.php
@@ -141,7 +141,7 @@ protected function parseHtml(LinkInterface $link)
 
         try {
             $parser = new Crawler();
-	    $parser->addHtmlContent($link->getContent());
+            $parser->addHtmlContent($link->getContent());
 
             // Parse all known tags
             foreach($this->tags as $tag => $selectors) {
@@ -158,7 +158,9 @@ protected function parseHtml(LinkInterface $link)
                 }
 
                 // Default is empty string
-                if (!isset(${$tag})) ${$tag} = '';
+                if (!isset(${$tag})) {
+                    ${$tag} = '';
+                }
             }
 
             // Parse all images on this page
@@ -178,7 +180,9 @@ protected function parseHtml(LinkInterface $link)
 
         $images = array_unique($images);
 
-        if (!isset($cover) && count($images)) $cover = $images[0];
+        if (empty($cover) && count($images)) {
+            $cover = $images[0];
+        }
 
         return compact('cover', 'title', 'description', 'images', 'video', 'videoType');
     }