diff --git a/php.md b/php.md
index f10da99..4c8d797 100644
--- a/php.md
+++ b/php.md
@@ -1,5 +1,9 @@
 # PHP
 
+## Composer
+
+### Optmizing Autoloader
+https://getcomposer.org/doc/articles/autoloader-optimization.md
 
 ## Code Standards
 ```shell