dnb-prospectus/src/AbstractPostSerializable.php

<?php

namespace DNB;

abstract class AbstractPostSerializable implements PostSerializableInterface {
    public static function fromPostParams(array $post): PostSerializableInterface {
        $vars = [];

        foreach (static::getClassVars() as $key)
            $vars[$key] = isset($post[$key]) && ((bool)$post[$key]) && strtolower((string)$post[$key]) != "off" ? htmlspecialchars($post[$key], ENT_QUOTES | ENT_SUBSTITUTE) : null;

        return new static(...array_values($vars));
    }

    abstract protected static function getClassVars(): array;
}