function file_type_form_validate

Form validation handler for file_file_type_form().

See also

file_file_type_form_submit()

File

core/modules/file/file.admin.inc, line 246

Admin page callbacks for the File module.

Code

function file_type_form_validate($form, &$form_state) {
  include_once BACKDROP_ROOT . '/core/includes/file.mimetypes.inc';
  $mimetype_mapping = file_mimetype_mapping();

  $valid_mimetypes = $mimetype_mapping['mimetypes'];
  $submitted_mimetypes = array_filter(array_map('trim', explode("\n", $form_state['values']['mimetypes'])));

  $invalid_mimetypes = array();
  foreach ($submitted_mimetypes as $mimetype) {
    if (!file_match_mimetypes($mimetype, $valid_mimetypes)) {
      $invalid_mimetypes[] = $mimetype;
    }
  }

  foreach ($invalid_mimetypes as $mimetype) {
    form_set_error('mimetypes', t('The mimetype %mimetype is not a valid mimetype.', array('%mimetype' => $mimetype)));
  }
}