Merge pull request #1447 from Alkarex/CLI-bugs

Fix CLI bugs

1 files changed, 26 insertions, 26 deletions

diff --git a/lib/Favicon/DataAccess.php b/lib/Favicon/DataAccess.php
index ae7509881..4c1a29541 100644
--- a/lib/Favicon/DataAccess.php
+++ b/lib/Favicon/DataAccess.php
@@ -9,33 +9,33 @@ namespace Favicon;
  **/
 class DataAccess {
 	public function retrieveUrl($url) {
-	    $this->set_context();
-	    return @file_get_contents($url);
+		$this->set_context();
+		return @file_get_contents($url);
 	}
-	
+
 	public function retrieveHeader($url) {
-	    $this->set_context();
+		$this->set_context();
 		$headers = @get_headers($url, 1);
-		return $headers ? array_change_key_case($headers) : array();
+		return is_array($headers) ? array_change_key_case($headers) : array();
+	}
+
+	public function saveCache($file, $data) {
+		file_put_contents($file, $data);
+	}
+
+	public function readCache($file) {
+		return file_get_contents($file);
+	}
+
+	private function set_context() {
+		stream_context_set_default(
+			array(
+				'http' => array(
+					'method' => 'GET',
+					'timeout' => 10,
+					'header' => "User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:20.0; Favicon; +https://github.com/ArthurHoaro/favicon) Gecko/20100101 Firefox/32.0\r\n",
+				)
+			)
+		);
 	}
-	
-    public function saveCache($file, $data) {
-        file_put_contents($file, $data);
-    }
-    
-    public function readCache($file) {
-    	return file_get_contents($file);
-    }
-    
-    private function set_context() {
-        stream_context_set_default(
-            array(
-                'http' => array(
-                    'method' => 'GET',
-                    'timeout' => 10,
-                    'header' => "User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:20.0; Favicon; +https://github.com/ArthurHoaro/favicon) Gecko/20100101 Firefox/32.0\r\n",
-                )
-            )
-        );
-    }
-}
\ No newline at end of file
+}