Commented example

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@152511 c90b9560-bf6c-de11-be94-00142212c4b1

reference/curl/functions/curl-init.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.4 $ -->
+<!-- $Revision: 1.5 $ -->
 <!-- splitted from ./en/functions/curl.xml, last change in rev 1.1 -->
   <refentry id="function.curl-init">
    <refnamediv>
@@ -28,13 +28,17 @@
       <programlisting role="php">
 <![CDATA[
 <?php
+// create a new curl resource
 $ch = curl_init();
 
+// set URL and other appropriate options
 curl_setopt($ch, CURLOPT_URL, "http://www.example.com/");
 curl_setopt($ch, CURLOPT_HEADER, 0);
 
+// grab URL and pass it to the browser
 curl_exec($ch);
 
+// close curl resource, and free up system resources
 curl_close($ch);
 ?>
 ]]>