Use first header, not array to int cast

Author: Dominic Scheirlinck

src/IntercomClient.php

@@ -220,13 +220,13 @@ private function setRateLimitDetails(Response $response)
     {
         $this->rateLimitDetails = [
             'limit' => $response->hasHeader('X-RateLimit-Limit')
-                ? (int)$response->getHeader('X-RateLimit-Limit')
+                ? (int)$response->getHeader('X-RateLimit-Limit')[0]
                 : null,
             'remaining' => $response->hasHeader('X-RateLimit-Remaining')
-                ? (int)$response->getHeader('X-RateLimit-Remaining')
+                ? (int)$response->getHeader('X-RateLimit-Remaining')[0]
                 : null,
             'reset_at' => $response->hasHeader('X-RateLimit-Reset')
-                ? (new \DateTimeImmutable())->setTimestamp((int)$response->getHeader('X-RateLimit-Reset'))
+                ? (new \DateTimeImmutable())->setTimestamp((int)$response->getHeader('X-RateLimit-Reset')[0])
                 : null,
         ];
     }

test/IntercomClientTest.php

@@ -63,8 +63,9 @@ public function testPaginationHelper()
 
   public function testRateLimitDetails()
   {
+    $time = time() + 7;
     $mock = new MockHandler([
-        new Response(200, ['X-RateLimit-Limit' => '83', 'X-RateLimit-Remaining' => '2', 'X-RateLimit-Reset' => time() + 7], "{\"foo\":\"bar\"}")
+        new Response(200, ['X-RateLimit-Limit' => '83', 'X-RateLimit-Remaining' => '2', 'X-RateLimit-Reset' => $time], "{\"foo\":\"bar\"}")
     ]);
 
     $container = [];
@@ -86,5 +87,8 @@ public function testRateLimitDetails()
     $this->assertArrayHasKey('limit', $rateLimitDetails);
     $this->assertArrayHasKey('remaining', $rateLimitDetails);
     $this->assertArrayHasKey('reset_at', $rateLimitDetails);
+    $this->assertEquals(83, $rateLimitDetails['limit']);
+    $this->assertEquals(2, $rateLimitDetails['remaining']);
+    $this->assertEquals((new DateTimeImmutable)->setTimestamp($time), $rateLimitDetails['reset_at']);
   }
 }