wp-xmlrpc.md

php > echo xmlrpc_encode_request('metaWeblog.newPost', array(0, "admin", "password", array("title"=>"some title", "description"=>"some content", "post_type"=>"post"), true));

<?xml version="1.0" encoding="iso-8859-1"?>
<methodCall>
<methodName>metaWeblog.newPost</methodName>
<params>
 <param>
  <value>
   <int>0</int>
  </value>
 </param>
 <param>
  <value>
   <string>admin</string>
  </value>
 </param>
 <param>
  <value>
   <string>password</string>
  </value>
 </param>
 <param>
  <value>
   <struct>
    <member>
     <name>title</name>
     <value>
      <string>emre</string>
     </value>
    </member>
    <member>
     <name>description</name>
     <value>
      <string>yahoo</string>
     </value>
    </member>
    <member>
     <name>post_type</name>
     <value>
      <string>post</string>
     </value>
    </member>
   </struct>
  </value>
 </param>
 <param>
  <value>
   <boolean>1</boolean>
  </value>
 </param>
</params>
</methodCall>