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<?php
namespace Laminas\Db\Adapter\Platform;
use Laminas\Db\Adapter\Driver\DriverInterface;
use Laminas\Db\Adapter\Driver\Mysqli;
use Laminas\Db\Adapter\Driver\Pdo;
use Laminas\Db\Adapter\Exception;
use Laminas\Db\Adapter\Exception\InvalidArgumentException;
use function implode;
use function str_replace;
class Mysql extends AbstractPlatform
{
/**
* {@inheritDoc}
*/
protected $quoteIdentifier = ['`', '`'];
/**
* {@inheritDoc}
*/
protected $quoteIdentifierTo = '``';
/** @var \mysqli|\PDO|Pdo\Pdo|Mysqli\Mysqli */
protected $driver;
/**
* NOTE: Include dashes for MySQL only, need tests for others platforms
*
* @var string
*/
protected $quoteIdentifierFragmentPattern = '/([^0-9,a-z,A-Z$_\-:])/i';
/**
* @param null|\Laminas\Db\Adapter\Driver\Mysqli\Mysqli|\Laminas\Db\Adapter\Driver\Pdo\Pdo|\mysqli|\PDO $driver
*/
public function __construct($driver = null)
{
if ($driver) {
$this->setDriver($driver);
}
}
/**
* @param \Laminas\Db\Adapter\Driver\Mysqli\Mysqli|\Laminas\Db\Adapter\Driver\Pdo\Pdo|\mysqli|\PDO $driver
* @return $this Provides a fluent interface
* @throws InvalidArgumentException
*/
public function setDriver($driver)
{
// handle Laminas\Db drivers
if (
$driver instanceof Mysqli\Mysqli
|| ($driver instanceof Pdo\Pdo && $driver->getDatabasePlatformName() === 'Mysql')
|| $driver instanceof \mysqli
|| ($driver instanceof \PDO && $driver->getAttribute(\PDO::ATTR_DRIVER_NAME) === 'mysql')
) {
$this->driver = $driver;
return $this;
}
throw new Exception\InvalidArgumentException(
'$driver must be a Mysqli or Mysql PDO Laminas\Db\Adapter\Driver, Mysqli instance or MySQL PDO instance'
);
}
/**
* {@inheritDoc}
*/
public function getName()
{
return 'MySQL';
}
/**
* {@inheritDoc}
*/
public function quoteIdentifierChain($identifierChain)
{
return '`' . implode('`.`', (array) str_replace('`', '``', $identifierChain)) . '`';
}
/**
* {@inheritDoc}
*/
public function quoteValue($value)
{
$quotedViaDriverValue = $this->quoteViaDriver($value);
return $quotedViaDriverValue ?? parent::quoteValue($value);
}
/**
* {@inheritDoc}
*/
public function quoteTrustedValue($value)
{
$quotedViaDriverValue = $this->quoteViaDriver($value);
return $quotedViaDriverValue ?? parent::quoteTrustedValue($value);
}
/**
* @param string $value
* @return string|null
*/
protected function quoteViaDriver($value)
{
if ($this->driver instanceof DriverInterface) {
$resource = $this->driver->getConnection()->getResource();
} else {
$resource = $this->driver;
}
if ($resource instanceof \mysqli) {
return '\'' . $resource->real_escape_string($value) . '\'';
}
if ($resource instanceof \PDO) {
return $resource->quote($value);
}
return null;
}
}