$retarray[0] may not be defined

ludeus · Oct 7, 2019 · f01d283 · f01d283
1 parent ce317ef
commit f01d283
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/TrustedTimestamps.php b/src/TrustedTimestamps.php
@@ -54,12 +54,12 @@ public static function createRequestfile($hash, $hash_algo = 'sha1')
 
  $retarray = array();
  exec($cmd." 2>&1", $retarray, $retcode);
- 
+
  if ($retcode !== 0) {
  throw new Exception("OpenSSL does not seem to be installed: ".implode(", ", $retarray));
  }
 
- if (stripos($retarray[0], "openssl:Error") !== false) {
+ if (isset($retarray[0]) && stripos($retarray[0], "openssl:Error") !== false) {
  throw new Exception("There was an error with OpenSSL. Is version >= 0.99 installed?: ".implode(", ", $retarray));
  }