minor fix

firebase-php · Jan 2, 2020 · 2604249 · 2604249
1 parent 686f82f
commit 2604249
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/Scrypt.php b/src/Scrypt.php
@@ -24,7 +24,7 @@ public function __construct($builder)
     {
         parent::__construct('SCRYPT', 0, 8, $builder);
 
-        if (!is_null($builder->getKey()) || strlen($builder->getKey()) === 0) {
+        if (is_null($builder->getKey()) || strlen($builder->getKey()) === 0) {
             throw new \InvalidArgumentException('A non-empty key is required for Scrypt');
         }