Add "PHP Internals Book".

a7ad6fc2 · Sanpi · 116c9e60 · a7ad6fc2
隐藏空白更改
内联并排

Showing with 1 addition and 0 deletion

free-programming-books.md free-programming-books.md +1 -0

未找到文件。
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -635,6 +635,7 @@
   * [Official Documentation (Offline Version)](https://leanpub.com/l4-offline-doc)
   * [Code Happy](http://codehappy.daylerees.com/) (Laravel 3 Starter Book)
   * [Code Bright](http://codebright.daylerees.com/) (Laravel 4 Starter Book)
+* [PHP Internals Book](http://www.phpinternalsbook.com/)


 ###PowerShell