function content_allowed_values in Content Construction Kit (CCK) 6.3

Same name and namespace in other branches

1. 6 content.module \content_allowed_values()
2. 6.2 content.module \content_allowed_values()

Create an array of the allowed values for this field.

Used by number and text fields, expects to find either PHP code that will return the correct value, or a string with keys and labels separated with '|' and with each new value on its own line.

Parameters

$field: The field whose allowed values are requested.

$flatten: Optional. Use TRUE to return a flattened array (default). FALSE can be used to support optgroups for select widgets when allowed values list is generated using PHP code.

10 calls to content_allowed_values()

content.devel.inc in includes/content.devel.inc

Functions needed for Devel module integration.

content_handler_argument_many_to_one::allowed_values in includes/views/handlers/content_handler_argument_many_to_one.inc

content_handler_filter_many_to_one::allowed_values in includes/views/handlers/content_handler_filter_many_to_one.inc

number_field in modules/number/number.module

Implementation of hook_field().

number_field_settings in modules/number/number.module

Implementation of hook_field_settings().

... See full list

File

./content.module, line 1749

Allows administrators to associate custom fields to content types.

Code

function content_allowed_values($field, $flatten = TRUE) {
  static $allowed_values;
  $cid = $field['field_name'] . ':' . ($flatten ? '1' : '0');
  if (isset($allowed_values[$cid])) {
    return $allowed_values[$cid];
  }
  $allowed_values[$cid] = array();
  if (isset($field['allowed_values_php'])) {
    ob_start();
    $result = eval($field['allowed_values_php']);
    if (is_array($result)) {
      if ($flatten) {
        $result = content_array_flatten($result);
      }
      $allowed_values[$cid] = $result;
    }
    ob_end_clean();
  }
  if (empty($allowed_values[$cid]) && isset($field['allowed_values'])) {
    $list = explode("\n", $field['allowed_values']);
    $list = array_map('trim', $list);
    $list = array_filter($list, 'strlen');
    foreach ($list as $opt) {

      // Sanitize the user input with a permissive filter.
      $opt = content_filter_xss($opt);
      if (strpos($opt, '|') !== FALSE) {
        list($key, $value) = explode('|', $opt);
        $allowed_values[$cid][$key] = isset($value) && $value !== '' ? $value : $key;
      }
      else {
        $allowed_values[$cid][$opt] = $opt;
      }
    }

    // Allow external modules to translate allowed values list.
    drupal_alter('content_allowed_values', $allowed_values[$cid], $field);
  }
  return $allowed_values[$cid];
}