Install RedBeanPHP with composer

composer.json

{
    "require": {
        "gabordemooij/redbean": "^4.3"
    },
    "scripts": {
        "post-update-cmd": [
            "cd vendor/gabordemooij/redbean && php replica2.php onlyphp"
        ],
        "post-install-cmd": [
            "@post-update-cmd"
        ]
    },
    "autoload": {
        "files": [
            "vendor/gabordemooij/redbean/rb.php"
        ]
    }
}