function error_displayable

1 errors.inc error_displayable($error = NULL)

Determines whether an error should be displayed.

When in maintenance mode or when error_level is ERROR_REPORTING_DISPLAY_ALL, all errors should be displayed. For ERROR_REPORTING_DISPLAY_SOME, $error will be examined to determine if it should be displayed.

Parameters

$error: Optional error to examine for ERROR_REPORTING_DISPLAY_SOME.

Return value

TRUE if an error should be displayed.:

3 calls to error_displayable()

_backdrop_exception_handler in core/includes/bootstrap.inc: Provides custom PHP exception handling.
_backdrop_log_error in core/includes/errors.inc: Logs a PHP error or exception and displays an error page in fatal cases.
_backdrop_session_write in core/includes/session.inc: Writes an entire session to the database (internal use only).

File

core/includes/errors.inc, line 154: Functions for error handling.

Code

function error_displayable($error = NULL) {
  try {
    $error_level = function_exists('config_get') ? config_get('system.core', 'error_level') : ERROR_REPORTING_DISPLAY_ALL;
  }
  catch (ConfigException $e) {
  }
  if (empty($error_level)) {
    $error_level = ERROR_REPORTING_DISPLAY_ALL;
  }

  $updating = (defined('MAINTENANCE_MODE') && MAINTENANCE_MODE == 'update');
  $all_errors_displayed = ($error_level == ERROR_REPORTING_DISPLAY_ALL);
  $error_needs_display = ($error_level == ERROR_REPORTING_DISPLAY_SOME &&
    isset($error) && $error['%type'] != 'Notice' && $error['%type'] != 'Strict warning');

  return ($updating || $all_errors_displayed || $error_needs_display);
}