fkooman\OAuth\Client\PdoStorage::initDatabase PHP Méthode

    public function initDatabase()
    {
        $queries = self::createTableQueries($this->prefix);
        foreach ($queries as $q) {
            $this->db->query($q);
        }
        $tables = array('states', 'access_tokens', 'refresh_tokens');
        foreach ($tables as $t) {
            // make sure the tables are empty
            $this->db->query(sprintf('DELETE FROM %s', $this->prefix . $t));
        }
    }