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_form_options_flatten

7 form.inc _form_options_flatten($array)

Helper function for form_options_flatten().

Iterates over arrays which may share common values and produces a flat array that has removed duplicate keys. Also handles cases where objects are passed as array values.

Related topics

1 call to _form_options_flatten()

1 string reference to '_form_options_flatten'

File

drupal/includes/form.inc, line 2447

Code

function _form_options_flatten($array) {
  $return = &drupal_static(__FUNCTION__);

  foreach ($array as $key => $value) {
    if (is_object($value)) {
      _form_options_flatten($value->option);
    }
    elseif (is_array($value)) {
      _form_options_flatten($value);
    }
    else {
      $return[$key] = 1;
    }
  }

  return $return;
}