How to use HTTP_RAW_POST_DATA properly
<p>I'm using <code>$guui = file_get_contents("php://input");</code> to receive data from POST method. </p>

<p>But It always returns empty. I have researched and some people said that i must change php.ini and update version. </p>

<p>But where is the php.ini file and how can i do that?</p>
