function update_check_requirements

Checks update requirements and reports errors and (optionally) warnings.

Parameters

$skip_warnings: (optional) If set to TRUE, requirement warnings will be ignored, and a report will only be issued if there are requirement errors. Defaults to FALSE.

File

drupal/update.php, line 357

Administrative page for handling updates from one Drupal version to another.

Code

function update_check_requirements($skip_warnings = FALSE) {

  // Check requirements of all loaded modules.
  $requirements = module_invoke_all('requirements', 'update');
  $requirements += update_extra_requirements();
  $severity = drupal_requirements_severity($requirements);

  // If there are errors, always display them. If there are only warnings, skip
  // them if the caller has indicated they should be skipped.
  if ($severity == REQUIREMENT_ERROR || $severity == REQUIREMENT_WARNING && !$skip_warnings) {
    update_task_list('requirements');
    drupal_set_title('Requirements problem');
    $status_report = theme('status_report', array(
      'requirements' => $requirements,
    ));
    $status_report .= 'Check the error messages and <a href="' . check_url(drupal_requirements_url($severity)) . '">try again</a>.';
    print theme('update_page', array(
      'content' => $status_report,
    ));
    exit;
  }
}