fix

@@ -156,7 +156,7 @@ class FlagManager {
         if(!$flags) return [];
         foreach($flags as $flag){
             $value = $this->checkFlag($flag, !empty($flag['default']) ? $flag['default'] : null);
-            setcookie($flag['encrypted_name'], $value, time() + (86400 * 30), "/");
+            setcookie($value['name'], $value['value'], time() + (86400 * 30), "/");
         }
     }
 
@@ -172,11 +172,15 @@ class FlagManager {
 
     public function checkFlag($flag, $defaultValue, $driver = 'cookie'){
         $this->checkDir();
-        $flagEncryptedName = $flag['encrypted_name'];
-        // Cookie Driver
-        if($driver == 'cookie') return !empty($_GET[$flagEncryptedName]) ? $this->filterFlag($flag, $_GET[$flagEncryptedName], $defaultValue) : (!empty($_COOKIE[$flagEncryptedName]) ? $this->filterFlag($flag, $_COOKIE[$flagEncryptedName], $defaultValue) : $defaultValue);
-        // Session Driver
-        return !empty($_GET[$flagEncryptedName]) ? $this->filterFlag($flag, $_GET[$flagEncryptedName], $defaultValue) : ($_SESSION[$flagEncryptedName] ? $this->filterFlag($flag, $_SESSION[$flagEncryptedName], $defaultValue) : $defaultValue);
+        $flagName = $flag['encrypted_name'];
+        $value = !empty($_GET[$flagName]) ? $this->filterFlag($flag, $_GET[$flagName], $defaultValue) : null;
+        if(isset($flag['both_usable']) && $flag['both_usable'] && (!empty($_GET[$flag['name']]) || !empty($_COOKIE[$flag['name']]))){
+            $value = !empty($_GET[$flag['name']]) ? $this->filterFlag($flag, $_GET[$flag['name']], $defaultValue) : $value;
+        }
+        return [
+            'name' => $flag['encrypted_name'],
+            'value' => $value ? $value : (!empty($_COOKIE[$flag['encrypted_name']]) ? $this->filterFlag($flag, $_COOKIE[$flag['encrypted_name']], $defaultValue) : $defaultValue),
+        ];
     }
 
     private function filter($flag, $value, $default){
@@ -193,7 +197,7 @@ class FlagManager {
         $flags = $this->all();
         if(!$flags) return [];
         $filteredFlags = array_values(array_filter($flags, function($f) use ($flag, $encrypted){
-            if(isset($f['both_usable']) && $f['both_usable']) return $f['encrypted_name'] == $flag || $f['name'] == $flag;
+            if(isset($f['both_usable']) && $f['both_usable']) return in_array($flag, [$f['encrypted_name'], $f['name']]);
             return (($encrypted && $f['encrypted_name'] == $flag) || (!$encrypted && $f['name'] == $flag));
         }));
         return count($filteredFlags) ? $filteredFlags[0] : null;

@@ -18,7 +18,10 @@ class Flags{
         $flagManager = new FlagManager();
         $flag = $flagManager->getFlag($flagName, $encrypted);
         if(!$flag) return null;
-        $flagFromStorage = self::findFlagFromStorage($encrypted ? $flagName : $flag['encrypted_name'], $defaultValue ? $defaultValue : (isset($flag['has_default']) && $flag['has_default'] ? $flag['default'] : null), $driver);
+        if(isset($flag['both_usable']) && $flag['both_usable']){
+            $flagName = $flag['encrypted_name'];
+        }
+        $flagFromStorage = self::findFlagFromStorage($flagName, $defaultValue ? $defaultValue : (isset($flag['has_default']) && $flag['has_default'] ? $flag['default'] : null), $driver);
         if(!$flag['is_filtered']) return $flagFromStorage;
 
         $filteredFlag = null;