Get status code return integer

Author: snapshotpl

src/Response.php

@@ -174,7 +174,8 @@ public function withStatus($code, $reasonPhrase = '')
      */
     private function setStatusCode($code)
     {
-        if (! is_int($code)
+        if (! is_numeric($code)
+            || is_float($code)
             || $code < static::MIN_STATUS_CODE_VALUE
             || $code > static::MAX_STATUS_CODE_VALUE
         ) {
@@ -185,6 +186,6 @@ private function setStatusCode($code)
                 static::MAX_STATUS_CODE_VALUE
             ));
         }
-        $this->statusCode = $code;
+        $this->statusCode = (int) $code;
     }
 }

src/Response/Serializer.php

@@ -106,6 +106,6 @@ private static function getStatusLine(StreamInterface $stream)
             throw new UnexpectedValueException('No status line detected');
         }
 
-        return [$matches['version'], (int) $matches['status'], isset($matches['reason']) ? $matches['reason'] : ''];
+        return [$matches['version'], $matches['status'], isset($matches['reason']) ? $matches['reason'] : ''];
     }
 }

test/ResponseTest.php

@@ -78,7 +78,7 @@ public function ianaCodesReasonPhrasesProvider()
         $records = $xpath->query('//ns:record');
 
         foreach ($records as $record) {
-            $value = (int) $xpath->query('.//ns:value', $record)->item(0)->nodeValue;
+            $value = $xpath->query('.//ns:value', $record)->item(0)->nodeValue;
             $description = $xpath->query('.//ns:description', $record)->item(0)->nodeValue;
 
             if (in_array($description, ['Unassigned', '(Unused)'])) {
@@ -140,14 +140,18 @@ public function testCreateWithValidStatusCodes($code)
     {
         $response = $this->response->withStatus($code);
 
-        $this->assertSame($code, $response->getStatusCode());
+        $result = $response->getStatusCode();
+
+        $this->assertSame((int) $code, $result);
+        $this->assertInternalType('int', $result);
     }
 
     public function validStatusCodes()
     {
         return [
             'minimum' => [100],
             'middle' => [300],
+            'string-integer' => ['300'],
             'maximum' => [599],
         ];
     }
@@ -185,7 +189,6 @@ public function invalidStatusCodes()
             'too-high' => [600],
             'null' => [null],
             'string' => ['foo'],
-            'string-integer' => ['200'],
         ];
     }