From 8f3646a9c93a06f76f6abb31020fdb74b4b1fc59 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@fakecake.org>
Date: Sun, 9 Apr 2023 20:50:33 +0300
Subject: exp: jaeger tracing

---
 vendor/packaged/thrift/src/StringFunc/Mbstring.php | 46 ++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 vendor/packaged/thrift/src/StringFunc/Mbstring.php

(limited to 'vendor/packaged/thrift/src/StringFunc/Mbstring.php')

diff --git a/vendor/packaged/thrift/src/StringFunc/Mbstring.php b/vendor/packaged/thrift/src/StringFunc/Mbstring.php
new file mode 100644
index 000000000..968ff18f1
--- /dev/null
+++ b/vendor/packaged/thrift/src/StringFunc/Mbstring.php
@@ -0,0 +1,46 @@
+<?php
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+
+namespace Thrift\StringFunc;
+
+class Mbstring implements TStringFunc
+{
+    public function substr($str, $start, $length = null)
+    {
+        /**
+         * We need to set the charset parameter, which is the second
+         * optional parameter and the first optional parameter can't
+         * be null or false as a "magic" value because that would
+         * cause an empty string to be returned, so we need to
+         * actually calculate the proper length value.
+         */
+        if ($length === null) {
+            $length = $this->strlen($str) - $start;
+        }
+
+        return mb_substr($str, $start, $length, '8bit');
+    }
+
+    public function strlen($str)
+    {
+        return mb_strlen($str, '8bit');
+    }
+}
-- 
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