fix maxmind binary provider encondig. Force utf8

Author: makasim

src/Geocoder/Provider/MaxMindBinaryProvider.php

@@ -75,14 +75,20 @@ public function getGeocodedData($address)
             throw new NoResultException(sprintf('No results found for IP address %s', $address));
         }
 
-        return array_merge($this->getDefaults(), array(
+        $results = array_merge($this->getDefaults(), array(
             'countryCode' => $geoIpRecord->country_code,
             'country'     => $geoIpRecord->country_name,
             'region'      => $geoIpRecord->region,
             'city'        => $geoIpRecord->city,
             'latitude'    => $geoIpRecord->latitude,
             'longitude'   => $geoIpRecord->longitude,
         ));
+
+        $results = array_map(function($value) {
+            return is_string($value) ? utf8_encode($value) : $value;
+        }, $results);
+
+        return $results;
     }
 
     /**

tests/Geocoder/Tests/Provider/MaxMindBinaryProviderTest.php

@@ -85,6 +85,14 @@ public function testFindLocationByIp($ip, $expectedCity, $expectedCountry)
         $this->assertEquals($expectedCountry, $result['country']);
     }
 
+    public function testShouldReturnResultsAsUtf8Encoded()
+    {
+        $provider = new MaxMindBinaryProvider($this->binaryFile);
+        $result   = $provider->getGeocodedData('212.51.181.237');
+
+        $this->assertSame('Châlette-sur-loing', $result['city']);
+    }
+
     public function testGetName()
     {
         $provider = new MaxMindBinaryProvider($this->binaryFile);