function _term_level_extract_levels in Term Level Field 7

Extracts levels (level-key => level-label) out of the field settings.

Level-label are not yet sanitized.

3 calls to _term_level_extract_levels()

term_level_field_settings_levels_validate in ./term_level.module

Validates that level settings are correct.

term_level_i18n_string_list_field_alter in ./term_level.module

Implements hook_i18n_string_list_field_alter().

term_level_options_list in ./term_level.module

Implements hook_options_list().

File

./term_level.module, line 364

Field type for referencing terms with a level to an entity.

Code

function _term_level_extract_levels($level_settings) {
  $levels = array();
  $list = explode("\n", $level_settings);
  $list = array_map('trim', $list);
  $list = array_filter($list, 'strlen');
  foreach ($list as $key => $value) {
    if (strpos($value, '|') !== FALSE) {
      list($level_key, $label) = explode('|', $value);
    }
    if (isset($level_key) && isset($level_key)) {
      $levels[$level_key] = $label;
    }
  }
  return $levels;
}