tweeper.php: check curl_exec() return value

Also show the message of curl_error() when curl_exec() fails, this way
it's easier to diagnose problems.

diff --git a/tweeper.php b/tweeper.php
index fc3a3ef..b1809ed 100644 (file)
--- a/tweeper.php
+++ b/tweeper.php
@@ -89,6 +89,9 @@ class Tweeper {
       CURLOPT_USERAGENT => Tweeper::$userAgent,
     ));
     $contents = curl_exec($ch);
+    if (FALSE === $contents) {
+      trigger_error(curl_error($ch));
+    }
     curl_close($ch);
 
     return $contents;
@@ -111,6 +114,9 @@ class Tweeper {
     ));
     curl_exec($ch);
     $url_info = curl_getinfo($ch);
+    if (FALSE === $url_info) {
+      trigger_error(curl_error($ch));
+    }
     curl_close($ch);
 
     return $url_info;