function _form_options_to_text

Logic function for form_options_to_text(). Do not call directly.

See also

form_options_to_text()

File

core/modules/field/modules/options/options.element.inc, line 245

All logic for options form elements.

Code

function _form_options_to_text($options, $key_type) {
  $output = '';
  $previous_key = false;

  foreach ($options as $key => $value) {
    // Convert groups.
    if (is_array($value)) {
      $output .= '<' . $key . '>' . "\n";
      foreach ($value as $subkey => $subvalue) {
        $output .= (($key_type == 'mixed' || $key_type == 'numeric' || $key_type == 'custom') ? $subkey . '|' : '') . $subvalue . "\n";
      }
      $previous_key = $key;
    }
    // Typical key|value pairs.
    else {
      // Exit out of any groups.
      if (isset($options[$previous_key]) && is_array($options[$previous_key])) {
        $output .= "<>\n";
      }
      // Skip empty rows.
      if ($options[$key] !== '') {
        if ($key_type == 'mixed' || $key_type == 'numeric' || $key_type == 'custom') {
          $output .= $key . '|' . $value . "\n";
        }
        else {
          $output .= $value . "\n";
        }
      }
      $previous_key = $key;
    }
  }

  return $output;
}