title: How to install YAML 1.1.1 into php
body: <p>I want to use yaml_parse_file() function in cakephp2 but I have the error</p>
  
  <p>"Fatal error: Call to undefined function yaml_parse_file() in D:\Downloads\xampp\htdocs\carebody-2012-\app\Lib\RoadYaml.php on line 7".</p>
  
  <p>I think that I'm having this error because I dont have yaml in my php.
  The problem is I dont know how to install the yaml file that I downloaded ?</p>