Add to composer.json
:
{
"require-dev": {
"symplify/multi-coding-standard": "~1.0",
"symfony/console": "3.2.x-dev as 3.1",
"squizlabs/php_codesniffer": "3.0.x-dev as 2.6"
}
}
Then update:
composer update
vendor/bin/multi-cs src