Update FB API library

1 files changed, 22 insertions, 2 deletions

diff --git a/lib/facebook-graph-sdk/src/Facebook/FacebookBatchResponse.php b/lib/facebook-graph-sdk/src/Facebook/FacebookBatchResponse.php
index 5ea765e..8e1464c 100644
--- a/lib/facebook-graph-sdk/src/Facebook/FacebookBatchResponse.php
+++ b/lib/facebook-graph-sdk/src/Facebook/FacebookBatchResponse.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * Copyright 2014 Facebook, Inc.
+ * Copyright 2017 Facebook, Inc.
  *
  * You are hereby granted a non-exclusive, worldwide, royalty-free license to
  * use, copy, modify, and distribute this software in source code or binary
@@ -102,7 +102,8 @@ class FacebookBatchResponse extends FacebookResponse implements IteratorAggregat
 
         $httpResponseBody = isset($response['body']) ? $response['body'] : null;
         $httpResponseCode = isset($response['code']) ? $response['code'] : null;
-        $httpResponseHeaders = isset($response['headers']) ? $response['headers'] : [];
+        // @TODO With PHP 5.5 support, this becomes array_column($response['headers'], 'value', 'name')
+        $httpResponseHeaders = isset($response['headers']) ? $this->normalizeBatchHeaders($response['headers']) : [];
 
         $this->responses[$originalRequestName] = new FacebookResponse(
             $originalRequest,
@@ -151,4 +152,23 @@ class FacebookBatchResponse extends FacebookResponse implements IteratorAggregat
     {
         return isset($this->responses[$offset]) ? $this->responses[$offset] : null;
     }
+
+    /**
+     * Converts the batch header array into a standard format.
+     * @TODO replace with array_column() when PHP 5.5 is supported.
+     *
+     * @param array $batchHeaders
+     *
+     * @return array
+     */
+    private function normalizeBatchHeaders(array $batchHeaders)
+    {
+        $headers = [];
+
+        foreach ($batchHeaders as $header) {
+            $headers[$header['name']] = $header['value'];
+        }
+
+        return $headers;
+    }
 }