/**
* Handle uncaught exceptions.
*
* @param \Exception $exception An uncaught exception.
*/
public static function exception_handler(\Exception $exception)
{
global $CFG, $USR;
$errcode = $exception->getCode();
$errmsg = $exception->getMessage();
$errcodelabel = $exception instanceof \pdyn\base\Exception ? $exception->get_string_from_code($errcode) : static::getinternalerrorlabel($errcode);
if (\pdyn\base\Utils::is_cli_env() === true) {
echo 'APP ERROR: ' . $errcodelabel . ': ' . $errmsg . "\n";
} else {
// Atlas exceptions' error codes are HTTP status codes, so send one.
if ($exception instanceof \pdyn\base\Exception && !empty($errcode) && !headers_sent()) {
\pdyn\httputils\Utils::send_status_code($errcode, '', false);
} else {
\pdyn\httputils\Utils::send_status_code(500, '', false);
}
$LOG = new \pdyn\log\Logger($CFG->log_general);
$LOG->error($errcodelabel . ': ' . $exception);
if (isset($_GET['ajax'])) {
header('Content-type: application/json');
echo json_encode(['result' => 'fail', 'msg' => $errcodelabel . ': ' . $errmsg]);
} else {
$debugmode = !empty($CFG) && (bool) $CFG->get('core', 'debugmode', false) === true ? true : false;
$isadmin = !empty($USR) && $USR->is_admin === true ? true : false;
$backtrace = $isadmin === true || $debugmode === true ? static::format_backtrace($exception->getTrace()) : null;
static::write_error_html($errcodelabel, $errmsg, $errcode, $backtrace);
}
}
die;
}
/**
* Send a response to the client.
*
* @param int $httpcode An HTTP code to send.
* @param string $msg A message to send.
*/
protected function send_response($httpcode, $msg)
{
\pdyn\httputils\Utils::die_with_status_code($httpcode, $msg);
}
/**
* Send headers to assist with caching.
*
* thanks to Rich Bradshaw (http://stackoverflow.com/users/16511/rich-bradshaw)
* from http://stackoverflow.com/questions/2000715/answering-http-if-modified-since-and-http-if-none-match-in-php
*
* @param string $file The file we want cached.
* @param int $timestamp Last modification time of the file.
*/
protected function caching_headers($file, $timestamp = null)
{
\pdyn\httputils\Utils::caching_headers($file, $timestamp, false);
}