private function write_cache_tmpfile($cfile, $files, CacheRenderHandler $rh)
{
$tmpfile = tempnam(dirname($cfile), $cfile);
$fhc = @fopen($tmpfile, 'w+');
if (!$fhc) {
trigger_error("Cannot write to temporary file: {$tmpfile}", E_USER_WARNING);
return null;
}
if ($rh->getConfig()->get('write_headers')) {
$rh->writeHeader($fhc, $files);
}
$res = true;
$merge = !!$rh->getConfig()->get('merge_tags');
if ($merge) {
$rh->startWrite();
}
foreach ($files as $file) {
try {
$rh->processFile($fhc, $file);
} catch (\Exception $e) {
trigger_error(sprintf("Exception %s while processing %s:\n\n%s", get_class($e), $file['file'], $e->getMessage()), E_USER_WARNING);
$res = false;
break;
}
}
if ($merge) {
$rh->endWrite($fhc);
}
fclose($fhc);
return $res ? $tmpfile : null;
}
