<?php
namespace Doctrine\DBAL\Driver\PDO\MySQL;
use Doctrine\DBAL\Driver\AbstractMySQLDriver;
use Doctrine\DBAL\Driver\PDO\Connection;
use Doctrine\DBAL\Driver\PDO\Exception;
use PDO;
use PDOException;
final class Driver extends AbstractMySQLDriver
{
/**
* {@inheritdoc}
*
* @return Connection
*/
public function connect(array $params)
{
$driverOptions = $params['driverOptions'] ?? [];
if (! empty($params['persistent'])) {
$driverOptions[PDO::ATTR_PERSISTENT] = true;
}
try {
$pdo = new PDO(
$this->constructPdoDsn($params),
$params['user'] ?? '',
$params['password'] ?? '',
$driverOptions
);
} catch (PDOException $exception) {
throw Exception::new($exception);
}
return new Connection($pdo);
}
/**
* Constructs the MySQL PDO DSN.
*
* @param mixed[] $params
*/
private function constructPdoDsn(array $params): string
{
$dsn = 'mysql:';
if (isset($params['host']) && $params['host'] !== '') {
$dsn .= 'host=' . $params['host'] . ';';
}
if (isset($params['port'])) {
$dsn .= 'port=' . $params['port'] . ';';
}
if (isset($params['dbname'])) {
$dsn .= 'dbname=' . $params['dbname'] . ';';
}
if (isset($params['unix_socket'])) {
$dsn .= 'unix_socket=' . $params['unix_socket'] . ';';
}
if (isset($params['charset'])) {
$dsn .= 'charset=' . $params['charset'] . ';';
}
return $dsn;
}
}