Fix TypeError related to issue #3

Author: nguereza-tony

src/Detector/AbstractDetector.php

@@ -254,7 +254,7 @@ protected function trim(string $str): string|array|null
     /**
      * Replace given string using map data.
      * @param string $str
-     * @param array<string, mixed> $maps
+     * @param array<string|int, mixed> $maps
      * @return string|null
      */
     protected function str(string $str, array $maps): ?string
@@ -268,7 +268,11 @@ protected function str(string $str, array $maps): ?string
                     }
                 }
             } elseif (strpos($value, $str) !== false) {
-                return $key === self::UNKNOWN ? null : $key;
+                if ($key === self::UNKNOWN || is_string($key) === false) {
+                    return null;
+                }
+
+                return  $key;
             }
         }
 

tests/UserAgentTest.php

@@ -62,6 +62,54 @@ public function testAll(
     public function allTestsDataProvider(): array
     {
         return [
+            [
+                'Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; Trident/6.0; Xbox; Xbox One)',
+                10,
+                'IE',
+                '10.0',
+                '',
+                'Xbox',
+                'console',
+                'Microsoft',
+                'Trident',
+                6,
+                '6.0',
+                0,
+                'Windows',
+                '',
+            ],
+            [
+                'Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0; Xbox)',
+                9,
+                'IE',
+                '9.0',
+                '',
+                'Xbox',
+                'console',
+                'Microsoft',
+                'Trident',
+                5,
+                '5.0',
+                0,
+                'Windows',
+                '',
+            ],
+            [
+                'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/534+ (KHTML, like Gecko) BingPreview/1.0b',
+                534,
+                'WebKit',
+                '534',
+                'amd64',
+                '',
+                '',
+                '',
+                'WebKit',
+                534,
+                '534',
+                0,
+                'Windows',
+                '',
+            ],
             [
                 'mwb-db-client Opera/9.80 (Linux armv7l ; U; HbbTV/1.1.1 (; TOSHIBA; 32SL863; 19.2.39.208; 3; ) ; ToshibaTP/1.1.1 () ; en) Presto/2.6.33 Version/10.60',
                 10,