diff --git a/blog/php-basic/install-php.md b/blog/php-basic/install-php.md
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/doc/php.md b/doc/php.md
index ce3a79acba09f328968387898c5d55f27ceb2470..89592f331b49af6cd6dc5cbac5f2c1f5a7956115 100644
--- a/doc/php.md
+++ b/doc/php.md
@@ -5,6 +5,7 @@
 [Laravel](https://laravel.com/) The PHP Framework
 for Web Artisans
 
+[CentOS Linux环境下源码安装PHP](/blog/php-basic/install-php.md)
 
 php-awesome
 
@@ -83,3 +84,5 @@ Composer: A Dependency Manager for PHP
 ## 开源库
 
 screw-plus [github](https://github.com/del-xiong/screw-plus) 开源php加密运行扩展，基于screw二次开发，暂时只能在linux下运行
+
+phpdotenv [github](https://github.com/vlucas/phpdotenv) Loads environment variables from .env to getenv(), $_ENV and $_SERVER automagically.
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