index/src/Http/Headers/ContentLengthHeader.php

<?php
// ContentLengthHeader.php
// Created: 2022-02-14
// Updated: 2023-01-01

namespace Index\Http\Headers;

use Index\Http\HttpHeader;

class ContentLengthHeader {
    private int $length;

    public function __construct(int $length) {
        $this->length = $length;
    }

    public function getLength(): int {
        return $this->length;
    }

    public static function parse(HttpHeader $header): ContentLengthHeader {
        return new ContentLengthHeader((int)$header->getFirstLine());
    }
}