fix #4 #5 #7 #6

README.md

 Sky Walking for php SDK| [中文](README.md)
 ==========
 **SkyWalking php SDK**: A client tool developed for PHP using SkyWalking APM tools. (It is a pity that it only supports writing log and checking curl currently.)
-SkyWalking APM : https://github.com/OpenSkywalking/skywalking
+SkyWalking APM : https://github.com/apache/incubator-skywalking
 
 * Automatic probe for PHP. **You don't need to modify the application code.**        
   * It is a PHP extension developed by zendAPI.
@@ -20,7 +20,7 @@ SkyWalking APM : https://github.com/OpenSkywalking/skywalking
 
 # Apply to
 *  version 1.0 applies to Skywalking 3.1 .
-
+*  version 2.0 applies to Skywalking 3.X .
 # In the future.
   * more php versions.
   * more os.

README_ZH.md

@@ -3,7 +3,7 @@ Sky Walking SDK for PHP | [English](README_EN.md)
 
 
 **SkyWalking php SDK**: 针对SkyWalking APM工具为php开发的客户端工具 (目前只支持写日志方式和只针对curl检测)
-SkyWalking APM : https://github.com/OpenSkywalking/skywalking
+SkyWalking APM : https://github.com/apache/incubator-skywalking
 
 * PHP 自动探针 **不需要修改应用程序代码**        
   * 使用zendAPI开发的 php扩展
@@ -17,12 +17,12 @@ SkyWalking APM : https://github.com/OpenSkywalking/skywalking
 
 
 # 使用安装
-*  php扩展包(https://github.com/SkywalkingContrib/skywalking-php-sdk/tree/songzhian/sky-php7ext)
-*  php代码类包(https://github.com/SkywalkingContrib/skywalking-php-sdk/tree/songzhian/sdk-php)
+*  php扩展包(https://github.com/SkywalkingContrib/skywalking-php-sdk/tree/songzhian/sky-php7ext/README_ZH.md)
+*  php代码类包(https://github.com/SkywalkingContrib/skywalking-php-sdk/tree/songzhian/sdk-php/README_ZH.md)
 
 # 对应版本支持
 *  1.0对应版本:Skywalking 3.1
-
+*  2.0对应版本:Skywalking 3.x
 # 将要完成
   * 其它php版本扩展支持
   * 更多系统支持

sdk-php/README_ZH.md

+# PHP SkyWalking 类: SkyWalking PHP 客户端 
+
+
+---
+
+- [安装](#installation)
+- [要求](#requirements)
+- [快速开始实例](#quick-start-and-examples)
+
+---
+
+### Installation
+
+使用安装 SkyWalking 类, 操作:
+
+
+### Requirements
+
+PHP Curl Class works with PHP 5.2 - 7.9.99 , and HHVM.
+
+### Quick Start and Examples
+    
+    // must put these code at the beginning !!!
+    // that would auto register shutdown function !!!
+    
+    include_once ("./sdk-php/SkyWalking.php");// or use composer
+    
+    //LOG_PATH is skywalking's logfile path
+    SkyWalking::getInstance("api")->setLogPath(LOG_PATH)->setSamplingRate(5);
+    
+    ....
+    ....
+
+    $ch = curl_init();
+    curl_setopt($ch);
+    
+    ....
+    ....
+
+    SkyWalking::getInstance()->startSpanOfCurl("www.api.com", $headers);
+    
+    ....
+    ....
+    
+    curl_setopt($ch);
+    $rs = curl_exec($ch);
+    
+    SkyWalking::getInstance()->endSpanOfcurl($ch);
+    
+    ....
+    ....
\ No newline at end of file

sky-php7ext/README.md

@@ -24,31 +24,9 @@ copy ini to php.ini
 
 the current phpext works with PHP 7.0-7.9.99 。
 this extension references something external, use with: pphcurl、phpjson and phpstandard
-
+need to install, Please refer to: https://github.com/grpc/grpc/blob/master/INSTALL.md
 ### Documentation
 - https://github.com/OpenSkywalking/skywalking/wiki
 
 ### Quick Start and Examples
-set php.ini skywalking.auto_open = On (Automatic writing  **Ignore the following**)  
-OR  skywalking.auto_open = OFF (the project int code )As below:
-
-    // must put these code at the beginning !!!
-    
-    ....
-    ....
-    
-    
-    $ch = curl_init();
-    curl_setopt($ch);
-    
-    SkyWalking::getInstance()->startSpanOfCurl("www.api.com", $headers);
-    ....
-    ....
-    
-    curl_setopt($ch);
-    $rs = curl_exec($ch);
-    
-    SkyWalking::getInstance()->endSpanOfcurl($ch);
-    
-    ....
-    ....
+set php.ini skywalking.auto_open = On (Automatic writing  **Ignore the following**)  
\ No newline at end of file

sky-php7ext/README_ZH.md

+# PHP SkyWalking Class: SkyWalking PHP client
+
+
+---
+
+- [安装](#installation)
+- [要求](#requirements)
+- [Quick Start and Examples](#quick-start-and-examples)
+
+---
+
+### Installation
+快速安装
+
+复制ini内容到php.ini
+
+	git clone https://github.com/SkywalkingContrib/skywalking-php-sdk.git
+	cd skywalking-php-sdk/sky-php7ext
+	phpize
+	./configure
+	make -j [number_of_processor_cores] # eg. make -j 4
+	make install
+### Requirements
+
+扩展支持版本 7.0-7.9.99 。
+这个扩展需要其他扩展支持: pphcurl、phpjson和phpstandard 包
+需要安装GRPC 请参照 : https://github.com/grpc/grpc/blob/master/INSTALL.md
+
+### 快速启动
+设置 php.ini skywalking.auto_open = On (自动开启信息抓取  **Ignore the following**)