Create README.md

添加说明

Author: sandersyao

README.md

@@ -0,0 +1,22 @@
+PHP-Data-Structure
+==================
+
+Learn data structure use PHP Language.
+
+This is shame that I have not learn in university and senior middle school. But I got PHP engineer work several years. Until the thirties, I start to learn the "data structure".
+
+The goal of this repository is learnning. Most of code of this repository would not use in any projects, so I will try to implement function first then optimize code follow the code style.
+
+English write bad, I try my best.
+
+
+PHP-数据结构
+==================
+
+用PHP语言学习数据结构。
+
+说起来让人汗颜，身为没有接受过高中和大学教育的草根PHP工程师，到了而立之年才开始学习数据结构。
+
+该项目的目的就是学习，可能其中大部分代码不会用在实际的工程中，所以我会先努力去实现功能，之后再按照工程标准优化代码。
+
+英文不好，我努力说。