Bugun tarama hatalarına bakarken fark ettim xmlrpc.php adresinde hata vermiş böyle bir php varmı diye baktım home dizininde böyle bir dosya ile karşılaştık bu dosya ne işe yarıyor bilgisi olan varmı


içeriği ;

<?php
/**
 * XML-RPC protocol support for WordPress
 *
 * @package WordPress
 */

/**
 * Whether this is an XML-RPC Request
 *
 * @var bool
 */
define('XMLRPC_REQUEST', true);

// Some browser-embedded clients send cookies. We don't want them.
$_COOKIE = array();

// A bug in PHP < 5.2.2 makes $HTTP_RAW_POST_DATA not set by default,
// but we can do it ourself.
if ( !isset( $HTTP_RAW_POST_DATA ) ) {
	$HTTP_RAW_POST_DATA = file_get_contents( 'php://input' );
}

// fix for mozBlog and other cases where '<?xml' isn't on the very first line
if ( isset($HTTP_RAW_POST_DATA) )
	$HTTP_RAW_POST_DATA = trim($HTTP_RAW_POST_DATA);

/** Include the bootstrap for setting up WordPress environment */
include( dirname( __FILE__ ) . '/wp-load.php' );

if ( isset( $_GET['rsd'] ) ) { // http://cyber.law.harvard.edu/blogs/gems/tech/rsd.html
header('Content-Type: text/xml; charset=' . get_option('blog_charset'), true);
?>
<?php echo '<?xml version="1.0" encoding="'.get_option('blog_charset').'"?'.'>'; ?>
<rsd version="1.0" xmlns="http://archipelago.phrasewise.com/rsd">
  <service>
    <engineName>WordPress</engineName>
    <engineLink>http://wordpress.org/</engineLink>
    <homePageLink><?php bloginfo_rss('url') ?></homePageLink>
    <apis>
      <api name="WordPress" blogID="1" preferred="true" apiLink="<?php echo site_url('xmlrpc.php', 'rpc') ?>" />
      <api name="Movable Type" blogID="1" preferred="false" apiLink="<?php echo site_url('xmlrpc.php', 'rpc') ?>" />
      <api name="MetaWeblog" blogID="1" preferred="false" apiLink="<?php echo site_url('xmlrpc.php', 'rpc') ?>" />
      <api name="Blogger" blogID="1" preferred="false" apiLink="<?php echo site_url('xmlrpc.php', 'rpc') ?>" />
      <?php
      /**
       * Add additional APIs to the Really Simple Discovery (RSD) endpoint.
       *
       * @link http://cyber.law.harvard.edu/blogs/gems/tech/rsd.html
	   *
       * @since 3.5.0
       */
      do_action( 'xmlrpc_rsd_apis' );
      ?>
    </apis>
  </service>
</rsd>
<?php
exit;
}

include_once(ABSPATH . 'wp-admin/includes/admin.php');
include_once(ABSPATH . WPINC . '/class-IXR.php');
include_once(ABSPATH . WPINC . '/class-wp-xmlrpc-server.php');

/**
 * Posts submitted via the XML-RPC interface get that title
 * @name post_default_title
 * @var string
 */
$post_default_title = "";

/**
 * Filter the class used for handling XML-RPC requests.
 *
 * @since 3.1.0
 *
 * @param string $class The name of the XML-RPC server class.
 */
$wp_xmlrpc_server_class = apply_filters( 'wp_xmlrpc_server_class', 'wp_xmlrpc_server' );
$wp_xmlrpc_server = new $wp_xmlrpc_server_class;

// Fire off the request
$wp_xmlrpc_server->serve_request();

exit;

/**
 * logIO() - Writes logging info to a file.
 *
 * @deprecated 3.4.0
 * @deprecated Use error_log()
 *
 * @param string $io Whether input or output
 * @param string $msg Information describing logging reason.
 */
function logIO( $io, $msg ) {
	_deprecated_function( __FUNCTION__, '3.4', 'error_log()' );
	if ( ! empty( $GLOBALS['xmlrpc_logging'] ) )
		error_log( $io . ' - ' . $msg );
}