OptimizeFlags.php
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OptimizeFlags.php
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	<?php

	declare(strict_types=1);

	namespace Doctrine\DBAL\Portability;

	use Doctrine\DBAL\Platforms\AbstractPlatform;
	use Doctrine\DBAL\Platforms\DB2Platform;
	use Doctrine\DBAL\Platforms\OraclePlatform;
	use Doctrine\DBAL\Platforms\PostgreSQLPlatform;
	use Doctrine\DBAL\Platforms\SqlitePlatform;
	use Doctrine\DBAL\Platforms\SQLServerPlatform;

	final class OptimizeFlags
	{
	/**
	* Platform-specific portability flags that need to be excluded from the user-provided mode
	* since the platform already operates in this mode to avoid unnecessary conversion overhead.
	*
	* @var array<class-string, int>
	*/
	private static array $platforms = [
	DB2Platform::class => 0,
	OraclePlatform::class => Connection::PORTABILITY_EMPTY_TO_NULL,
	PostgreSQLPlatform::class => 0,
	SqlitePlatform::class => 0,
	SQLServerPlatform::class => 0,
	];

	public function __invoke(AbstractPlatform $platform, int $flags): int
	{
	foreach (self::$platforms as $class => $mask) {
	if ($platform instanceof $class) {
	$flags &= ~$mask;

	break;
	}
	}

	return $flags;
	}
	}