1 files changed, 47 insertions, 0 deletions
diff --git a/vendor/ramsey/uuid/src/Converter/Time/PhpTimeConverter.php b/vendor/ramsey/uuid/src/Converter/Time/PhpTimeConverter.php
new file mode 100644
index 000000000..6a9da74b8
--- /dev/null
+++ b/vendor/ramsey/uuid/src/Converter/Time/PhpTimeConverter.php
@@ -0,0 +1,47 @@
+<?php
+/**
+ * This file is part of the ramsey/uuid library
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>
+ * @license http://opensource.org/licenses/MIT MIT
+ * @link https://benramsey.com/projects/ramsey-uuid/ Documentation
+ * @link https://packagist.org/packages/ramsey/uuid Packagist
+ * @link https://github.com/ramsey/uuid GitHub
+ */
+
+namespace Ramsey\Uuid\Converter\Time;
+
+use Ramsey\Uuid\Converter\TimeConverterInterface;
+
+/**
+ * PhpTimeConverter uses built-in PHP functions and standard math operations
+ * available to the PHP programming language to provide facilities for
+ * converting parts of time into representations that may be used in UUIDs
+ */
+class PhpTimeConverter implements TimeConverterInterface
+{
+    /**
+     * Uses the provided seconds and micro-seconds to calculate the time_low,
+     * time_mid, and time_high fields used by RFC 4122 version 1 UUIDs
+     *
+     * @param string $seconds
+     * @param string $microSeconds
+     * @return string[] An array containing `low`, `mid`, and `high` keys
+     * @link http://tools.ietf.org/html/rfc4122#section-4.2.2
+     */
+    public function calculateTime($seconds, $microSeconds)
+    {
+        // 0x01b21dd213814000 is the number of 100-ns intervals between the
+        // UUID epoch 1582-10-15 00:00:00 and the Unix epoch 1970-01-01 00:00:00.
+        $uuidTime = ($seconds * 10000000) + ($microSeconds * 10) + 0x01b21dd213814000;
+
+        return array(
+            'low' => sprintf('%08x', $uuidTime & 0xffffffff),
+            'mid' => sprintf('%04x', ($uuidTime >> 32) & 0xffff),
+            'hi' => sprintf('%04x', ($uuidTime >> 48) & 0x0fff),
+        );
+    }
+}