<?php

$known_headers = array("Last-Modified", "Expires", "Content-Type", "Content-type", "X-Pingback", "ETag", "Cache-Control", "Pragma");

if (!class_exists('CacheMeta')) {

	class CacheMeta {

		var $dynamic = false;

		var $headers = array();

		var $uri = '';

		var $post = 0;

	}

}

$WPSC_HTTP_HOST = htmlentities( $_SERVER[ 'HTTP_HOST' ] );

// We want to be able to identify each blog in a WordPress MU install

$blogcacheid = '';

if ( defined( 'VHOST' ) || ( defined( 'WP_ALLOW_MULTISITE' ) && constant( 'WP_ALLOW_MULTISITE' ) == true ) ) {

	$blogcacheid = 'blog'; // main blog

	if( defined( 'SUBDOMAIN_INSTALL' ) && constant( 'SUBDOMAIN_INSTALL' ) == true ) {

		$blogcacheid = $WPSC_HTTP_HOST;

	} else {

		$request_uri = preg_replace('/[ <>\'\"\r\n\t\(\)]/', '', str_replace( '..', '', $_SERVER['REQUEST_URI'] ) );

		if( strpos( $request_uri, '/', 1 ) ) {

			if( $base == '/' ) {

				$blogcacheid = substr( $request_uri, 1, strpos( $request_uri, '/', 1 ) - 1 );

			} else {

				$blogcacheid = str_replace( $base, '', $request_uri );

				if ( $blogcacheid != '' )

					$blogcacheid = substr( $blogcacheid, 0, strpos( $blogcacheid, '/', 1 ) );

			}

			if ( '/' == substr($blogcacheid, -1))

				$blogcacheid = substr($blogcacheid, 0, -1);

		}

		$blogcacheid = str_replace( '/', '', $blogcacheid );

	}

}

?>