function _webform_edit_file_extensions_validate in Webform 7.4

Same name and namespace in other branches

1. 6.3 components/file.inc \_webform_edit_file_extensions_validate()
2. 7.3 components/file.inc \_webform_edit_file_extensions_validate()

A Form API element validate function.

Change the submitted values of the component so that all filtering extensions are saved as a single array.

1 string reference to '_webform_edit_file_extensions_validate'

_webform_edit_file in components/file.inc

Implements _webform_edit_component().

File

components/file.inc, line 260

Webform module file component.

Code

function _webform_edit_file_extensions_validate($element, &$form_state) {

  // Predefined types.
  $extensions = array();
  foreach (element_children($element['types']) as $category) {
    foreach (array_keys($element['types'][$category]['#value']) as $extension) {
      if ($element['types'][$category][$extension]['#value']) {
        $extensions[] = $extension;

        // "jpeg" is an exception. It is allowed anytime "jpg" is allowed.
        if ($extension == 'jpg') {
          $extensions[] = 'jpeg';
        }
      }
    }
  }

  // Additional types.
  $additional_extensions = explode(',', $element['addextensions']['#value']);
  foreach ($additional_extensions as $extension) {
    $clean_extension = drupal_strtolower(trim($extension));
    if (!empty($clean_extension) && !in_array($clean_extension, $extensions)) {
      $extensions[] = $clean_extension;
    }
  }
  form_set_value($element['types'], $extensions, $form_state);
}