handle connection failure

1 files changed, 5 insertions, 0 deletions

diff --git a/src/ssl_expire_notifier.php b/src/ssl_expire_notifier.php
index 5f01bcc..19b0dca 100755
--- a/src/ssl_expire_notifier.php
+++ b/src/ssl_expire_notifier.php
@@ -104,6 +104,11 @@ function ssl_expire_notifier() {
             ]
         ]);
         $read = stream_socket_client('ssl://'.$host.':'.$port, $errno, $errstr, 30, STREAM_CLIENT_CONNECT, $get);
+        if ($read === false) {
+            $logger->error("failed to connect to {$host}:{$port}");
+            continue;
+        }
+
         $cert = stream_context_get_params($read);
         $cert_info = openssl_x509_parse($cert['options']['ssl']['peer_certificate']);