add both usable

+vendor/
\ No newline at end of file

@@ -15,5 +15,8 @@
             "name": "Joshua",
             "email": "josh@baytech.ph"
         }
-    ]
+    ],
+    "require-dev": {
+        "phpunit/phpunit": "^6"
+    }
 }

+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/6.3/phpunit.xsd"
+    backupGlobals="true"
+    bootstrap="vendor/autoload.php"
+    colors="false">
+    <testsuites>
+        <testsuite name="BTFlags Test Suite">
+            <directory suffix="Test.php">./tests/</directory>
+        </testsuite>
+    </testsuites>
+</phpunit>
\ No newline at end of file

@@ -193,7 +193,8 @@ class FlagManager {
         $flags = $this->all();
         if(!$flags) return [];
         $filteredFlags = array_values(array_filter($flags, function($f) use ($flag, $encrypted){
-            return ($encrypted ? $f['encrypted_name'] : $f['name']) == $flag;
+            if($f['both_usable']) return $f['encrypted_name'] == $flag || $f['name'] == $flag;
+            return (($encrypted && $f['encrypted_name'] == $flag) || (!$encrypted && $f['name']) == $flag);
         }));
         return count($filteredFlags) ? $filteredFlags[0] : null;
     }

+<?php
+use PHPUnit\Framework\TestCase;
+
+final class FlagsTest extends TestCase
+{
+
+    protected function setUp(){
+        $this->flags = [
+            [
+                "name" => "mode",
+                "is_encrypted" => false,
+                "is_filtered" => false,
+                "encrypted_name" => "15D61712450A686A7F365ADF4FEF581F",
+                "accepted_values" => [
+                    [
+                        "value" => "live",
+                        "encrypted_value" => "D0DBE915091D400BD8EE7F27F0791303"
+                    ],
+                    [
+                        "value" => "test",
+                        "encrypted_value" => "098F6BCD4621D373CADE4E832627B4F6"
+                    ]
+                ],
+                "combined_values" => "",
+                "has_default" => true,
+                "default" => "D0DBE915091D400BD8EE7F27F0791303",
+                "both_usable" => true,
+            ]
+        ];
+    }
+    
+    public function testGetFlags(){
+        $flag = '15D61712450A686A7F365ADF4FEF581F';
+        $encrypted = false;
+        $flags = $this->flags;
+        if(!$flags) return [];
+        $filteredFlags = array_values(array_filter($flags, function($f) use ($flag, $encrypted){
+            if($f['both_usable']) return $f['encrypted_name'] == $flag || $f['name'] == $flag;
+            return (($encrypted && $f['encrypted_name'] == $flag) || (!$encrypted && $f['name']) == $flag);
+        }));
+        $foundFlag = count($filteredFlags) ? $filteredFlags[0] : null;
+
+        $this->assertEquals('mode', $foundFlag['name']);
+    }
+
+}
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