Как прописать og image в engine из доп.поля?

<?xml version="1.0" encoding="utf-8"?>
<dleplugin>
	<name>og:image</name>
	<description></description>
	<icon></icon>
	<version>2.0</version>
	<dleversion>14</dleversion>
	<versioncompare>greater</versioncompare>
	<upgradeurl></upgradeurl>
	<filedelete>0</filedelete>
	<needplugin></needplugin>
	<mnotice>0</mnotice>
	<mysqlinstall><![CDATA[]]></mysqlinstall>
	<mysqlupgrade><![CDATA[]]></mysqlupgrade>
	<mysqlenable><![CDATA[]]></mysqlenable>
	<mysqldisable><![CDATA[]]></mysqldisable>
	<mysqldelete><![CDATA[]]></mysqldelete>
	<phpinstall><![CDATA[]]></phpinstall>
	<phpupgrade><![CDATA[]]></phpupgrade>
	<phpenable><![CDATA[]]></phpenable>
	<phpdisable><![CDATA[]]></phpdisable>
	<phpdelete><![CDATA[]]></phpdelete>
	<notice><![CDATA[]]></notice>
	<file name="engine/modules/show.full.php">
		<operation action="replace">
			<searchcode><![CDATA[if ( count($images) ) {
			$social_tags['image'] = str_replace("/thumbs/","/",$images[0]);
			$social_tags['image'] = str_replace("/medium/","/",$social_tags['image']);
		}]]></searchcode>
			<replacecode><![CDATA[$xfieldsdata = xfieldsdataload( $row['xfields'] );
if (isset($xfieldsdata['img'])) {
	$soctimage = explode('|', $xfieldsdata['img']);
	if (count($soctimage) > 1) {$socimgarticle = $config['http_home_url'].'uploads/posts/'.$soctimage[1];}
	else {$socimgarticle = $config['http_home_url'].'uploads/posts/'.$soctimage[0];}
} else {
	$socimgarticle = $images;

	if ( count($socimgarticle) ) {
		$socimgarticle = str_replace("/thumbs/","/",$socimgarticle[0]);
		$socimgarticle = str_replace("/medium/","/",$socimgarticle);
	} else {
		$socimgarticle = $config['http_home_url'].'uploads/siteimage.jpg';
	}
}
$social_tags['image'] = $socimgarticle;]]></replacecode>
		</operation>
	</file>
</dleplugin>

if (isset($xfieldsdata['img'])) {

$soctimage = explode('|', $xfieldsdata['img']);

$config['http_home_url'].'uploads/siteimage.jpg';