function js_requirements in JS Callback Handler 7.2

Same name and namespace in other branches

1. 5.2 js.install \js_requirements()
2. 6 js.install \js_requirements()
3. 7 js.install \js_requirements()

Implements hook_requirements().

File

./js.install, line 11

Ensures JavaScript callback handler has been setup properly.

Code

function js_requirements($phase) {
  $requirements = array();
  $t = get_t();
  switch ($phase) {
    case 'runtime':
      $title = $t('JavaScript callback handler');

      // Warn about missing js.php in root directory.
      if (!file_exists('js.php')) {
        $requirements['js'] = array(
          'title' => $title,
          'description' => $t('In order for JavaScript callbacks to work correctly, please copy the js.php file to the root of your Drupal installation.'),
          'severity' => REQUIREMENT_ERROR,
          'value' => $t('Please copy js.php'),
        );
      }
      elseif (variable_get('js_server_software', 'apache') == 'apache' && strpos(file_get_contents('.htaccess'), 'js.php') === FALSE) {
        $requirements['js'] = array(
          'title' => $title,
          'description' => $t('Please add the <a href="!url">RewriteRules</a> to the .htaccess file.', array(
            '!url' => url('admin/config/system/js'),
          )),
          'severity' => REQUIREMENT_ERROR,
          'value' => $t('Add Apache RewriteRule to .htaccess'),
        );
      }
      else {
        $requirements['js'] = array(
          'title' => $title,
          'description' => $t('The JavaScript callback handler has been installed correctly.', array(
            '%core' => 'js.php',
          )),
          'severity' => REQUIREMENT_OK,
          'value' => $t('Installed correctly'),
        );
      }
  }
  return $requirements;
}