function file_entity_get_upload_validators in File Entity (fieldable files) 7.3

Same name and namespace in other branches

1. 7.2 file_entity.pages.inc \file_entity_get_upload_validators()

Retrieves the upload validators for a file.

Parameters

array $options: (optional) An array of options for file validation.

Return value

array An array suitable for passing to file_save_upload() or for a managed_file or upload element's '#upload_validators' property.

3 calls to file_entity_get_upload_validators()

file_entity_add_upload_step_upload in ./file_entity.pages.inc

Generate form fields for the first step in the add file wizard.

file_entity_edit in ./file_entity.pages.inc

Page callback: Form constructor for the file edit form.

file_entity_upload_archive_form in ./file_entity.pages.inc

File

./file_entity.pages.inc, line 1250

Supports file operations including View, Edit, and Delete.

Code

function file_entity_get_upload_validators(array $options = array()) {

  // Set up file upload validators.
  $validators = array();

  // Validate file extensions. If there are no file extensions in $params and
  // there are no Media defaults, there is no file extension validation.
  if (!empty($options['file_extensions'])) {
    $validators['file_validate_extensions'] = array(
      $options['file_extensions'],
    );
  }
  else {
    $validators['file_validate_extensions'] = array(
      variable_get('file_entity_default_allowed_extensions', 'jpg jpeg gif png txt doc docx xls xlsx pdf ppt pptx pps ppsx odt ods odp mp3 mov mp4 m4a m4v mpeg avi ogg oga ogv weba webp webm'),
    );
  }

  // Cap the upload size according to the system or user defined limit.
  $max_filesize = parse_size(file_upload_max_size());
  $file_entity_max_filesize = parse_size(variable_get('file_entity_max_filesize', ''));

  // If the user defined a size limit, use the smaller of the two.
  if (!empty($file_entity_max_filesize)) {
    $max_filesize = min($max_filesize, $file_entity_max_filesize);
  }
  if (!empty($options['max_filesize']) && $options['max_filesize'] < $max_filesize) {
    $max_filesize = parse_size($options['max_filesize']);
  }

  // There is always a file size limit due to the PHP server limit.
  $validators['file_entity_validate_size_extensions'] = array(
    $max_filesize,
  );

  // Add image validators.
  $options += array(
    'min_resolution' => 0,
    'max_resolution' => 0,
  );
  if ($options['min_resolution'] || $options['max_resolution']) {
    $validators['file_validate_image_resolution'] = array(
      $options['max_resolution'],
      $options['min_resolution'],
    );
  }

  // Add other custom upload validators from options.
  if (!empty($options['upload_validators'])) {
    $validators += $options['upload_validators'];
  }
  return $validators;
}