function linkicon_extract_allowed_values in Link Icon 7

Extracts link title textarea values into array for link title select options.

2 calls to linkicon_extract_allowed_values()

linkicon_field_formatter_prepare_view in ./linkicon.module

Implements hook_field_formatter_prepare_view().

linkicon_field_process in ./linkicon.module

Overrides link_field_process() to use a select box.

File

./linkicon.module, line 181

A link field formatter to create icon classes based on predefined titles.

Code

function linkicon_extract_allowed_values($values, $is_tooltip = FALSE) {
  $allowed_values = array();
  if ($values) {
    $list = explode("\n", strip_tags($values));
    foreach ($list as $value) {
      if (strpos($value, "|") !== FALSE) {
        list($key, $title, $tooltip) = array_pad(array_map('trim', explode("|", $value, 3)), 3, NULL);
        $allowed_values[$key] = $is_tooltip && !empty($tooltip) ? $tooltip : $title;
      }
      else {
        $allowed_values[$value] = $value;
      }
    }
  }
  return $allowed_values;
}