installed plugin W3 Total Cache version 2.3.2

wp-content/plugins/w3-total-cache/Extension_WordPressSeo_Plugin.php

@@ -0,0 +1,44 @@
+<?php
+namespace W3TC;
+
+class Extension_WordPressSeo_Plugin {
+	private $_config;
+
+	function __construct() {
+		$this->_config = Dispatcher::config();
+	}
+
+	public function run() {
+		if ( $this->_config->get_boolean( 'cdn.enabled' ) ) {
+			add_filter( 'wpseo_xml_sitemap_img_src', array(
+					$this, 'wpseo_cdn_filter' ) );
+		}
+	}
+
+	/**
+	 * Hook into Yoast SEO sitemap image filter.
+	 *
+	 * @param unknown $uri
+	 * @return string
+	 */
+	public function wpseo_cdn_filter( $uri ) {
+		$common = Dispatcher::component( 'Cdn_Core' );
+		$cdn = $common->get_cdn();
+		$parsed = parse_url( $uri );
+		$path = $parsed['path'];
+		$remote_path = $common->uri_to_cdn_uri( $path );
+		$new_url = $cdn->format_url( $remote_path );
+
+		return  $new_url;
+	}
+}
+
+
+
+$p = new Extension_WordPressSeo_Plugin();
+$p->run();
+
+if ( is_admin() ) {
+	$p = new Extension_WordPressSeo_Plugin_Admin();
+	$p->run();
+}