1 file.field.inc | file_field_widget_upload_validators($field, $instance) |
Retrieves the upload validators for a file field.
Parameters
$field: A field array.
Return value
An array suitable for passing to file_save_upload() or the file field: element's '#upload_validators' property.
File
- core/
modules/ file/ file.field.inc, line 728 - Field module functionality for the File module.
Code
function file_field_widget_upload_validators($field, $instance) {
// Cap the upload size according to the PHP limit.
$max_filesize = parse_size(file_upload_max_size());
if (!empty($instance['settings']['max_filesize']) && parse_size($instance['settings']['max_filesize']) < $max_filesize) {
$max_filesize = parse_size($instance['settings']['max_filesize']);
}
$validators = array();
// There is always a file size limit due to the PHP server limit.
$validators['file_validate_size'] = array($max_filesize);
// Add the extension check if necessary.
if (!empty($instance['settings']['file_extensions'])) {
$validators['file_validate_extensions'] = array($instance['settings']['file_extensions']);
}
return $validators;
}