[BUGFIX] Avoid processing at actual end-of-file

Fixes: #68

Author: ohader

src/Phar/Reader.php

@@ -101,6 +101,10 @@ private function extractData(string $fileName): array
 
         while (!feof($resource)) {
             $line = fgets($resource);
+            // stop processing in case the system fails to read from a stream
+            if ($line === false) {
+                break;
+            }
             // stop reading file when manifest can be extracted
             if ($manifestLength !== null && $manifestContent !== null && strlen($manifestContent) >= $manifestLength) {
                 break;