initDate example

public function __construct(array $headers = [])
    {
        parent::__construct($headers);

        if (!isset($this->headers['cache-control'])) {
            $this->set('Cache-Control', '');
        }

        /* RFC2616 - 14.18 says all Responses need to have a Date */
        if (!isset($this->headers['date'])) {
            $this->initDate();
        }
    }

    /** * Returns the headers, with original capitalizations. */
    public function allPreserveCase(): array
    {
        $headers = [];
        foreach ($this->all() as $name => $value) {
            $headers[$this->headerNames[$name] ?? $name] = $value;
        }

public function __construct(array $headers = [])
    {
        parent::__construct($headers);

        if (!isset($this->headers['cache-control'])) {
            $this->set('Cache-Control', '');
        }

        /* RFC2616 - 14.18 says all Responses need to have a Date */
        if (!isset($this->headers['date'])) {
            $this->initDate();
        }
    }

    /** * Returns the headers, with original capitalizations. */
    public function allPreserveCase(): array
    {
        $headers = [];
        foreach ($this->all() as $name => $value) {
            $headers[$this->headerNames[$name] ?? $name] = $value;
        }