function error_displayable in Drupal 9

Same name and namespace in other branches

1. 8 core/includes/errors.inc \error_displayable()
2. 7 includes/errors.inc \error_displayable()
3. 10 core/includes/errors.inc \error_displayable()

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.

5 calls to error_displayable()

FinalExceptionSubscriber::isErrorDisplayable in core/lib/Drupal/Core/EventSubscriber/FinalExceptionSubscriber.php

Wrapper for error_displayable().

SessionHandler::write in core/lib/Drupal/Core/Session/SessionHandler.php

_drupal_exception_handler_additional in core/includes/bootstrap.inc

Displays any additional errors caught while handling an exception.

_drupal_log_error in core/includes/errors.inc

Logs a PHP error or exception and displays an error page in fatal cases.

_drupal_shutdown_function_handle_exception in core/includes/bootstrap.inc

Displays and logs any errors that may happen during shutdown.

File

core/includes/errors.inc, line 119

Functions for error handling.

Code

function error_displayable($error = NULL) {
  if (defined('MAINTENANCE_MODE')) {
    return TRUE;
  }
  $error_level = _drupal_get_error_level();
  if ($error_level == ERROR_REPORTING_DISPLAY_ALL || $error_level == ERROR_REPORTING_DISPLAY_VERBOSE) {
    return TRUE;
  }
  if ($error_level == ERROR_REPORTING_DISPLAY_SOME && isset($error)) {
    return $error['%type'] != 'Notice' && $error['%type'] != 'Strict warning';
  }
  return FALSE;
}