Merge pull request #1915 from alexeyshockov/empty-headers-support

Empty headers support
guzzle · Mar 26, 2018 · 5d340a9 · 5d340a9
2 parents 21f5dde + 2dd96c9
commit 5d340a9
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/src/Handler/CurlFactory.php b/src/Handler/CurlFactory.php
@@ -287,7 +287,14 @@ private function applyHeaders(EasyHandle $easy, array &$conf)
     {
         foreach ($conf['_headers'] as $name => $values) {
             foreach ($values as $value) {
-                $conf[CURLOPT_HTTPHEADER][] = "$name: $value";
+                $value = (string) $value;
+                if ($value === '') {
+                    // cURL requires a special format for empty headers.
+                    // See https://github.com/guzzle/guzzle/issues/1882 for more details.
+                    $conf[CURLOPT_HTTPHEADER][] = "$name;";
+                } else {
+                    $conf[CURLOPT_HTTPHEADER][] = "$name: $value";
+                }
             }
         }