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function file_requirements in Drupal 10

Same name and namespace in other branches
  1. 8 core/modules/file/file.install \file_requirements()
  2. 7 modules/file/file.install \file_requirements()
  3. 9 core/modules/file/file.install \file_requirements()

Implements hook_requirements().

Display information about getting upload progress bars working.

File

core/modules/file/file.install, line 65
Install, update and uninstall functions for File module.

Code

function file_requirements($phase) {
  $requirements = [];

  // Check the server's ability to indicate upload progress.
  if ($phase == 'runtime') {
    $description = NULL;
    $implementation = file_progress_implementation();
    $server_software = \Drupal::request()->server
      ->get('SERVER_SOFTWARE');

    // Test the web server identity.
    if (preg_match("/Nginx/i", $server_software)) {
      $is_nginx = TRUE;
      $is_apache = FALSE;
      $fastcgi = FALSE;
    }
    elseif (preg_match("/Apache/i", $server_software)) {
      $is_nginx = FALSE;
      $is_apache = TRUE;
      $fastcgi = strpos($server_software, 'mod_fastcgi') !== FALSE || strpos($server_software, 'mod_fcgi') !== FALSE;
    }
    else {
      $is_nginx = FALSE;
      $is_apache = FALSE;
      $fastcgi = FALSE;
    }
    if (!$is_apache && !$is_nginx) {
      $value = t('Not enabled');
      $description = t('Your server is not capable of displaying file upload progress. File upload progress requires an Apache server running PHP with mod_php or Nginx with PHP-FPM.');
    }
    elseif ($fastcgi) {
      $value = t('Not enabled');
      $description = t('Your server is not capable of displaying file upload progress. File upload progress requires PHP be run with mod_php or PHP-FPM and not as FastCGI.');
    }
    elseif (!$implementation) {
      $value = t('Not enabled');
      $description = t('Your server is capable of displaying file upload progress, but does not have the required libraries. It is recommended to install the <a href="http://pecl.php.net/package/uploadprogress">PECL uploadprogress library</a>.');
    }
    elseif ($implementation == 'uploadprogress') {
      $value = t('Enabled (<a href="http://pecl.php.net/package/uploadprogress">PECL uploadprogress</a>)');
    }
    $requirements['file_progress'] = [
      'title' => t('Upload progress'),
      'value' => $value,
      'description' => $description,
    ];
  }
  return $requirements;
}