Added PHP code sniffer as a dependency.

serbanghita · serbanghita · commit 6c0613f2bcc4 · 2017-12-04T22:31:50.000+02:00
diff --git a/composer.json b/composer.json
@@ -17,7 +17,8 @@
         "php": ">=5.0.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "~4.8|5.7"
+        "phpunit/phpunit": "~4.8|5.7",
+        "squizlabs/php_codesniffer": "3.*"
     },
     "autoload": {
         "classmap": ["Mobile_Detect.php"],
