/**
Render template
@return string
@param $file string
@param $mime string
@param $globals boolean
@param $syms array
@public
**/
static function serve($file, $mime = 'text/html', $globals = TRUE, $syms = array())
{
$file = self::resolve($file);
$found = FALSE;
foreach (preg_split('/[\\|;,]/', self::$vars['GUI'], 0, PREG_SPLIT_NO_EMPTY) as $gui) {
if (is_file($view = self::fixslashes($gui . $file))) {
$found = TRUE;
break;
}
}
if (!$found) {
trigger_error(sprintf(self::TEXT_Render, $file));
return '';
}
if (PHP_SAPI != 'cli' && !headers_sent()) {
// Send HTTP header with appropriate character set
header(self::HTTP_Content . ': ' . $mime . '; ' . 'charset=' . self::$vars['ENCODING']);
}
$hash = 'tpl.' . self::hash($view);
$cached = Cache::cached($hash);
if ($cached && filemtime($view) < $cached) {
if (self::$vars['CACHE']) {
// Retrieve PHP-compiled template from cache
$text = Cache::get($hash);
}
} else {
// Parse raw template
$doc = new F3markup($mime, $globals);
foreach (self::$tags as $tag => $func) {
$doc->extend($tag, $func);
}
$text = $doc->load(self::getfile($view), $syms);
if (self::$vars['CACHE'] && $doc::$cache) {
// Save PHP-compiled template to cache
Cache::set($hash, $text);
}
}
// Render in a sandbox
$instance = new F3instance();
ob_start();
if (ini_get('allow_url_fopen') && ini_get('allow_url_include')) {
// Stream wrap
$instance->sandbox('data:text/plain,' . urlencode($text), $syms);
} else {
// Save PHP-equivalent file in temporary folder
if (!is_dir(self::$vars['TEMP'])) {
self::mkdir(self::$vars['TEMP']);
}
$temp = self::$vars['TEMP'] . $_SERVER['SERVER_NAME'] . '.' . $hash;
if (!$cached || !is_file($temp) || filemtime($temp) < Cache::cached($view)) {
// Create semaphore
$hash = 'sem.' . self::hash($view);
while ($cached = Cache::cached($hash)) {
// Locked by another process
usleep(mt_rand(0, 100));
}
Cache::set($hash, TRUE);
self::putfile($temp, $text);
// Remove semaphore
Cache::clear($hash);
}
$instance->sandbox($temp, $syms);
}
$out = ob_get_clean();
unset($instance);
return self::$vars['TIDY'] ? self::tidy($out) : $out;
}
