function _js_exception_handler in JS Callback Handler 7.2

Provides custom PHP exception handling.

Uncaught exceptions are those not enclosed in a try/catch block. They are always fatal: the execution of the script will stop as soon as the exception handler exits.

Parameters

\Exception|\Throwable $exception: The exception object that was thrown.

1 string reference to '_js_exception_handler'

js_execute_request in ./js.module

Loads the requested module and executes the requested callback.

File

./js.module, line 516

JavaScript callback handler module.

Code

function _js_exception_handler($exception) {
  require_once DRUPAL_ROOT . '/includes/errors.inc';

  // Support both PHP 5 exceptions and PHP 7 throwables.
  // @see https://www.drupal.org/project/js/issues/3027913
  try {
    _js_log_php_error(_drupal_decode_exception($exception), TRUE);
  } catch (\Throwable $uncaught) {

    // Intentionally left blank.
  } catch (\Exception $uncaught) {

    // Intentionally left blank.
  }

  // Another uncaught exception was thrown while handling the first one.
  // If we are displaying errors, then do so with no possibility of a further
  // uncaught exception being thrown.
  if (isset($uncaught)) {
    $message = '<h1>Additional uncaught exception thrown while handling exception.</h1>';
    $message .= '<h2>Original</h2><p>' . _drupal_render_exception_safe($exception) . '</p>';
    $message .= '<h2>Additional</h2><p>' . _drupal_render_exception_safe($uncaught) . '</p>';
    $backtrace = debug_backtrace();
    $caller = _drupal_get_last_caller($backtrace);
    _js_log_php_error(array(
      '%type' => 'Unknown error',
      // The standard PHP error handler considers that the error messages
      // are HTML. Mimic this behavior here.
      '!message' => filter_xss_admin($message),
      '%function' => $caller['function'],
      '%file' => $caller['file'],
      '%line' => $caller['line'],
      'severity_level' => WATCHDOG_ERROR,
    ), TRUE);
  }
}