function dynamic_entity_reference_field_widget_form_validate in Dynamic Entity Reference 7

Element validate callback for dynamic entity reference widget.

1 string reference to 'dynamic_entity_reference_field_widget_form_validate'

dynamic_entity_reference_field_widget_form in ./dynamic_entity_reference.field.inc

Implements hook_field_widget_form().

File

./dynamic_entity_reference.field.inc, line 176

Contains field hooks.

Code

function dynamic_entity_reference_field_widget_form_validate($element, &$form_state, $form) {

  // If a value was entered into the autocomplete.
  $value = NULL;
  if (!empty($element['#value'])) {

    // Take "label (entity id)', match the id from parenthesis.
    if (preg_match("/.+\\((\\d+)\\)/", $element['#value'], $matches)) {
      $value = $matches[1];
    }
    elseif (preg_match("/.+\\(([\\w.]+)\\)/", $element['#value'], $matches)) {
      $value = $matches[1];
    }
  }
  form_set_value($element, $value, $form_state);
}