/**
* Generate the templated content for a PHP script that can serve up the
* given piece of content with the given age and expiry.
*
* @param string $content
* @param string $age
* @param string $lastModified
* @param string $contentType
*
* @return string
*/
protected function generatePHPCacheFile($content, $age, $lastModified, $contentType)
{
$template = file_get_contents(dirname(__FILE__) . '/CachedPHPPage.tmpl');
$csrfPlaceholder = Config::inst()->get('LiveFilesystemPublisher', 'security_token_placeholder');
if (empty($csrfPlaceholder)) {
$csrfPlaceholder = $csrfCode = 'DONT DO ANYTHING';
} else {
$csrfCode = '<' . '?php echo $security_token; ?' . '>';
}
return str_replace(array('**MAX_AGE**', '**LAST_MODIFIED**', '**CONTENT**', '**CONTENT_TYPE**', $csrfPlaceholder), array((int) $age, $lastModified, LivePubHelper::get_init_code_and_clear() . $content, $contentType, $csrfCode), $template);
}
