function mathfield_update_7000 in Math Field 7

Add field dependency setting for existing mathfields.

File

./mathfield.install, line 32

Install, update and uninstall functions for the mathfield module.

Code

function mathfield_update_7000() {
  foreach (field_info_field_map() as $field_name => $field) {
    if ($field['type'] == 'mathfield') {
      $info = field_info_field($field_name);
      $expression = $info['settings']['expression'];
      $tokens = _mathfield_extract_tokens($expression);
      $info['settings']['field_dependencies'] = array();
      foreach ($tokens as $data) {
        $info['settings']['field_dependencies'][] = $data['field_name'];
      }
      field_update_field($info);
    }
  }
}