MC-5580: Fatal Error during customer login

- fix static tests

Author: irenelagno

lib/internal/Magento/Framework/Encryption/Encryptor.php

@@ -228,6 +228,8 @@ public function validateHashVersion($hash, $validateCount = false)
     }
 
     /**
+     * Explode password hash
+     *
      * @param string $hash
      * @return array
      */
@@ -243,6 +245,8 @@ private function explodePasswordHash($hash)
     }
 
     /**
+     * Returns password hash
+     *
      * @return string
      */
     private function getPasswordHash()
@@ -251,6 +255,8 @@ private function getPasswordHash()
     }
 
     /**
+     * Returns password salt
+     *
      * @return string
      */
     private function getPasswordSalt()
@@ -259,11 +265,15 @@ private function getPasswordSalt()
     }
 
     /**
+     * Returns password version
+     *
      * @return array
      */
     private function getPasswordVersion()
     {
-        return array_map('intval', explode(
+        return array_map(
+            'intval',
+            explode(
                 self::DELIMITER,
                 (string)$this->passwordHashMap[self::PASSWORD_VERSION]
             )