function ListFloatItem::extractAllowedValues

Overrides ListItemBase::extractAllowedValues

File

core/modules/options/src/Plugin/Field/FieldType/ListFloatItem.php, line 69

Class

ListFloatItem

Plugin implementation of the 'list_float' field type.

Namespace

Code

protected static function extractAllowedValues($string, $has_data) {
    $values = parent::extractAllowedValues($string, $has_data);
    if ($values) {
        $keys = array_keys($values);
        $labels = array_values($values);
        $keys = array_map(function ($key) {
            // Float keys are represented as strings and need to be disambiguated
            // ('.5' is '0.5').
            return is_numeric($key) ? (string) (double) $key : $key;
        }, $keys);
        return array_combine($keys, $labels);
    }
    return $values;
}