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authorMario Vavti <mario@mariovavti.com>2018-08-28 12:00:23 +0200
committerMario Vavti <mario@mariovavti.com>2018-08-28 12:00:23 +0200
commitc0c827d3ad2c8364d35fff5546ab40ea76bbbbd9 (patch)
tree34bb14bb6046ce98bd6ad759b9c57624b2be7d34 /vendor/ramsey/uuid/src/Codec/OrderedTimeCodec.php
parent6a2bbed73dfb34975c4525c34c03f20c6945dedc (diff)
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update composer libs and add ramsey/uuid
Diffstat (limited to 'vendor/ramsey/uuid/src/Codec/OrderedTimeCodec.php')
-rw-r--r--vendor/ramsey/uuid/src/Codec/OrderedTimeCodec.php68
1 files changed, 68 insertions, 0 deletions
diff --git a/vendor/ramsey/uuid/src/Codec/OrderedTimeCodec.php b/vendor/ramsey/uuid/src/Codec/OrderedTimeCodec.php
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@@ -0,0 +1,68 @@
+<?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\Codec;
+
+use InvalidArgumentException;
+use Ramsey\Uuid\UuidInterface;
+
+/**
+ * OrderedTimeCodec optimizes the bytes to increment UUIDs when time goes by, to improve database INSERTs.
+ * The string value will be unchanged from StringCodec. Only works for UUID type 1.
+ */
+class OrderedTimeCodec extends StringCodec
+{
+
+ /**
+ * Encodes a UuidInterface as an optimized binary representation of a UUID
+ *
+ * @param UuidInterface $uuid
+ * @return string Binary string representation of a UUID
+ */
+ public function encodeBinary(UuidInterface $uuid)
+ {
+ $fields = $uuid->getFieldsHex();
+
+ $optimized = [
+ $fields['time_hi_and_version'],
+ $fields['time_mid'],
+ $fields['time_low'],
+ $fields['clock_seq_hi_and_reserved'],
+ $fields['clock_seq_low'],
+ $fields['node'],
+ ];
+
+ return hex2bin(implode('', $optimized));
+ }
+
+ /**
+ * Decodes an optimized binary representation of a UUID into a UuidInterface object instance
+ *
+ * @param string $bytes
+ * @return UuidInterface
+ * @throws \InvalidArgumentException if string has not 16 characters
+ */
+ public function decodeBytes($bytes)
+ {
+ if (strlen($bytes) !== 16) {
+ throw new InvalidArgumentException('$bytes string should contain 16 characters.');
+ }
+
+ $hex = unpack('H*', $bytes)[1];
+
+ // Rearrange the fields to their original order
+ $hex = substr($hex, 8, 4) . substr($hex, 12, 4) . substr($hex, 4, 4) . substr($hex, 0, 4) . substr($hex, 16);
+
+ return $this->decode($hex);
+ }
+}