# [PHP], 55 bytes <!-- language-all: lang-php --> fn($a)=>array_sum(array_map(fn($v)=>'0002040'[$v],$a)); [Try it online!][TIO-k79m0u4g] [PHP]: https://php.net/ [TIO-k79m0u4g]: https://tio.run/##K8go@G9jX5BRwMWlkmb7Py1PQyVR09YusagosTK@uDRXA8LKTSzQAMmVAeXUDQwMjAxMDNSjVcpidYDKNa3/pyZn5CuopGlEG@uYxgL5AA "PHP – Try It Online"