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    <h3>Editing: LimitStream.php</h3>
    <textarea name="content" rows="20" cols="80">&lt;?php

declare(strict_types=1);

namespace GuzzleHttp\Psr7;

use Psr\Http\Message\StreamInterface;

/**
 * Decorator used to return only a subset of a stream.
 */
final class LimitStream implements StreamInterface
{
    use StreamDecoratorTrait;

    /** @var int Offset to start reading from */
    private $offset;

    /** @var int Limit the number of bytes that can be read */
    private $limit;

    /** @var StreamInterface */
    private $stream;

    /**
     * @param StreamInterface $stream Stream to wrap
     * @param int             $limit  Total number of bytes to allow to be read
     *                                from the stream. Pass -1 for no limit.
     * @param int             $offset Position to seek to before reading (only
     *                                works on seekable streams).
     */
    public function __construct(
        StreamInterface $stream,
        int $limit = -1,
        int $offset = 0
    ) {
        $this-&gt;stream = $stream;
        $this-&gt;setLimit($limit);
        $this-&gt;setOffset($offset);
    }

    public function eof(): bool
    {
        // Always return true if the underlying stream is EOF
        if ($this-&gt;stream-&gt;eof()) {
            return true;
        }

        // No limit and the underlying stream is not at EOF
        if ($this-&gt;limit === -1) {
            return false;
        }

        return $this-&gt;stream-&gt;tell() &gt;= $this-&gt;offset + $this-&gt;limit;
    }

    /**
     * Returns the size of the limited subset of data
     */
    public function getSize(): ?int
    {
        if (null === ($length = $this-&gt;stream-&gt;getSize())) {
            return null;
        } elseif ($this-&gt;limit === -1) {
            return $length - $this-&gt;offset;
        } else {
            return min($this-&gt;limit, $length - $this-&gt;offset);
        }
    }

    /**
     * Allow for a bounded seek on the read limited stream
     */
    public function seek($offset, $whence = SEEK_SET): void
    {
        if ($whence !== SEEK_SET || $offset &lt; 0) {
            throw new \RuntimeException(sprintf(
                'Cannot seek to offset %s with whence %s',
                $offset,
                $whence
            ));
        }

        $offset += $this-&gt;offset;

        if ($this-&gt;limit !== -1) {
            if ($offset &gt; $this-&gt;offset + $this-&gt;limit) {
                $offset = $this-&gt;offset + $this-&gt;limit;
            }
        }

        $this-&gt;stream-&gt;seek($offset);
    }

    /**
     * Give a relative tell()
     */
    public function tell(): int
    {
        return $this-&gt;stream-&gt;tell() - $this-&gt;offset;
    }

    /**
     * Set the offset to start limiting from
     *
     * @param int $offset Offset to seek to and begin byte limiting from
     *
     * @throws \RuntimeException if the stream cannot be seeked.
     */
    public function setOffset(int $offset): void
    {
        $current = $this-&gt;stream-&gt;tell();

        if ($current !== $offset) {
            // If the stream cannot seek to the offset position, then read to it
            if ($this-&gt;stream-&gt;isSeekable()) {
                $this-&gt;stream-&gt;seek($offset);
            } elseif ($current &gt; $offset) {
                throw new \RuntimeException(&quot;Could not seek to stream offset $offset&quot;);
            } else {
                $this-&gt;stream-&gt;read($offset - $current);
            }
        }

        $this-&gt;offset = $offset;
    }

    /**
     * Set the limit of bytes that the decorator allows to be read from the
     * stream.
     *
     * @param int $limit Number of bytes to allow to be read from the stream.
     *                   Use -1 for no limit.
     */
    public function setLimit(int $limit): void
    {
        $this-&gt;limit = $limit;
    }

    public function read($length): string
    {
        if ($this-&gt;limit === -1) {
            return $this-&gt;stream-&gt;read($length);
        }

        // Check if the current position is less than the total allowed
        // bytes + original offset
        $remaining = ($this-&gt;offset + $this-&gt;limit) - $this-&gt;stream-&gt;tell();
        if ($remaining &gt; 0) {
            // Only return the amount of requested data, ensuring that the byte
            // limit is not exceeded
            return $this-&gt;stream-&gt;read(min($remaining, $length));
        }

        return '';
    }
}
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