src/Baum/Move.php
protected function quoteIdentifier($value) {
    if ( is_null($value) )
      return 'NULL';

    $connection = $this->node->getConnection();

    $pdo = $connection->getPdo();

    return $pdo->quote($value);
  }
protected function quoteIdentifier($value) {
    if ( is_null($value) )
      return 'NULL';

    $connection = $this->node->getConnection();

    $pdo = $connection->getPdo();

    return $pdo->quote($value);
  }
Quotes an identifier for being used in a database query.

@param mixed $value
@return string