static function Helpers::calendar_systems_is_patch_applied in Calendar Systems 8.2

Internal helper to check whether the required patch is applied or not.

Return value

Boolean value.

1 call to Helpers::calendar_systems_is_patch_applied()

AdminSettings::buildForm in src/Form/AdminSettings.php

Form constructor.

File

src/Helpers.php, line 236

Contains \Drupal\calendar_systems.

Class

Helpers

Namespace

Drupal\calendar_systems

Code

static function calendar_systems_is_patch_applied($cache = TRUE) {
  static $result;
  if ($cache) {
    $cache_object = \Drupal::cache()
      ->get('calendar_systems_is_patch_applied');
    if (is_object($cache_object)) {
      $result = $cache_object->data;
    }
  }
  if (is_null($result)) {
    $content = file_get_contents(DRUPAL_ROOT . '/core/includes/common.inc');

    // Check against patch fingerprint:
    $very_old_patch_applied = strpos($content, 'foreach (module_implements(\'format_date\') AS $module) {') !== FALSE ? TRUE : FALSE;
    $old_patch_applied = strpos($content, 'foreach (module_implements(\'format_date_calendar_systems\') AS $module) {') !== FALSE ? TRUE : FALSE;
    $applied = strpos($content, 'drupal_alter(\'format_date\'') !== FALSE ? TRUE : FALSE;
    if ($applied) {
      $result = TRUE;
    }
    elseif ($old_patch_applied || $very_old_patch_applied) {
      $result = 'outdated';
    }
    else {
      $result = FALSE;
    }
    \Drupal::cache()
      ->set('calendar_systems_is_patch_applied', $result, time() + 60 * 60);
  }
  return $result;
}