silverstripe-framework/static-main.php

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<?php
/**
* This file is designed to be the new 'server' of sites using StaticPublisher.
* to use this, you need to modify your .htaccess to point all requests to
* static-main.php, rather than main.php. This file also allows for using
* static publisher with the subsites module.
*
* If you are using StaticPublisher+Subsites, set the following in _config.php:
* FilesystemPublisher::$domain_based_caching = true;
* If you are not using subsites, the host-map.php file will not exist (it is
* automatically generated by the Subsites module) and the cache will default
* to no subdirectory.
*/
$cacheOn = true;
$hostmapLocation = '../subsites/host-map.php';
if ($cacheOn) {
if (file_exists($hostmapLocation)) {
include_once $hostmapLocation;
$subsiteHostmap['default'] = isset($subsiteHostmap['default']) ? $subsiteHostmap['default'] : '';
// Look for the host, and find the cache dir
$host = str_replace('www.', '', $_SERVER['HTTP_HOST']);
$cacheDir = (isset($subsiteHostmap[$host]) ? $subsiteHostmap[$host] : $subsiteHostmap['default']) . '/';
} else {
$cacheDir = '';
}
// Look for the file in the cachedir
$file = preg_replace('/[^a-zA-Z0-9]/si', '_', trim($_SERVER['REQUEST_URI'], '/'));
$file = $file ? $file : 'index';
if (file_exists('../cache/'.$cacheDir.$file.'.html')) {
header('X-cache: hit at '.date('r'));
echo file_get_contents('../cache/'.$cacheDir.$file.'.html');
} elseif (file_exists('../cache/'.$cacheDir.$file.'.php')) {
header('X-cache: hit at '.date('r'));
include_once '../cache/'.$cacheDir.$file.'.php';
} else {
header('X-cache: miss at '.date('r') . ' on ' . $cacheDir . $file);
// No cache hit... fallback!!!
include 'main.php';
}
} else {
include 'main.php';
}
?>