src/Variables/VariableStore.php
public function createPrefix($relative)
    {
        if ($relative) {
            $this->prefix = (empty($this->current_prefix)) ? '' : $this->current_prefix;
            return;
        }

        $this->prefix = '';
    }
public function createPrefix($relative)
    {
        if ($relative) {
            $this->prefix = (empty($this->current_prefix)) ? '' : $this->current_prefix;
            return;
        }

        $this->prefix = '';
    }
Creates a relative prefix for the store

@param bool $relative Is the prefix relative