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AppendStream.php (7.43 KB)

BufferStream.php (4.69 KB)

CachingStream.php (6.74 KB)

DroppingStream.php (1.48 KB)

Exception/

FnStream.php (5.76 KB)

Header.php (4.77 KB)

InflateStream.php (1.38 KB)

LazyOpenStream.php (1.06 KB)

LimitStream.php (5.11 KB)

Message.php (10.1 KB)

MessageTrait.php (9.81 KB)

MimeType.php (55.82 KB)

MultipartStream.php (9.85 KB)

NoSeekStream.php (1.12 KB)

Request.php (4.79 KB)

Response.php (5.49 KB)

Rfc3986.php (490 B)

Rfc7230.php (3 KB)

Stream.php (8.76 KB)

StreamDecoratorTrait.php (4.79 KB)

StreamWrapper.php (4.68 KB)

UploadedFile.php (4.98 KB)

Uri.php (23.44 KB)

UriComparator.php (1.24 KB)

UriNormalizer.php (8.91 KB)

UriResolver.php (8.15 KB)

Utils.php (21.66 KB)

Edit: BufferStream.php

<?php

declare(strict_types=1);

namespace GuzzleHttp\Psr7;

use Psr\Http\Message\StreamInterface;

/**
 * Provides a buffer stream that can be written to to fill a buffer, and read
 * from to remove bytes from the buffer.
 *
 * This stream returns a "hwm" metadata value that tells upstream consumers
 * what the configured high water mark of the stream is, or the maximum
 * preferred size of the buffer.
 */
final class BufferStream implements StreamInterface
{
    /** @var int */
    private $hwm;

/** @var string */
    private $buffer = '';

/**
     * @param int $hwm High water mark, representing the preferred maximum
     *                 buffer size. If the size of the buffer exceeds the high
     *                 water mark, then calls to write will continue to succeed
     *                 but will return 0 to inform writers to slow down
     *                 until the buffer has been drained by reading from it.
     */
    public function __construct(int $hwm = 16384)
    {
        $this->hwm = $hwm;
    }

public function __toString(): string
    {
        return $this->getContents();
    }

public function getContents(): string
    {
        $buffer = $this->buffer;
        $this->buffer = '';

return $buffer;
    }

public function close(): void
    {
        $this->buffer = '';
    }

public function detach()
    {
        $this->close();

return null;
    }

public function getSize(): ?int
    {
        return strlen($this->buffer);
    }

public function isReadable(): bool
    {
        return true;
    }

public function isWritable(): bool
    {
        return true;
    }

public function isSeekable(): bool
    {
        return false;
    }

public function rewind(): void
    {
        $this->seek(0);
    }

public function seek($offset, $whence = SEEK_SET): void
    {
        if (!\is_int($offset)) {
            \trigger_deprecation(
                'guzzlehttp/psr7',
                '2.11',
                'Passing %s to StreamInterface::seek() is deprecated; guzzlehttp/psr7 3.0 requires int for $offset.',
                \get_debug_type($offset)
            );
        }

if (!\is_int($whence)) {
            \trigger_deprecation(
                'guzzlehttp/psr7',
                '2.11',
                'Passing %s to StreamInterface::seek() is deprecated; guzzlehttp/psr7 3.0 requires int for $whence.',
                \get_debug_type($whence)
            );
        }

throw new \RuntimeException('Cannot seek a BufferStream');
    }

public function eof(): bool
    {
        return strlen($this->buffer) === 0;
    }

public function tell(): int
    {
        throw new \RuntimeException('Cannot determine the position of a BufferStream');
    }

/**
     * Reads data from the buffer.
     */
    public function read($length): string
    {
        if (!\is_int($length)) {
            \trigger_deprecation(
                'guzzlehttp/psr7',
                '2.11',
                'Passing %s to StreamInterface::read() is deprecated; guzzlehttp/psr7 3.0 requires int for $length.',
                \get_debug_type($length)
            );
        }

$currentLength = strlen($this->buffer);

if ($length >= $currentLength) {
            // No need to slice the buffer because we don't have enough data.
            $result = $this->buffer;
            $this->buffer = '';
        } else {
            // Slice up the result to provide a subset of the buffer.
            $result = substr($this->buffer, 0, $length);
            $this->buffer = substr($this->buffer, $length);
        }

return $result;
    }

/**
     * Writes data to the buffer.
     */
    public function write($string): int
    {
        if (!\is_string($string)) {
            \trigger_deprecation(
                'guzzlehttp/psr7',
                '2.11',
                'Passing %s to StreamInterface::write() is deprecated; guzzlehttp/psr7 3.0 requires string for $string.',
                \get_debug_type($string)
            );
        }

$this->buffer .= $string;

if (strlen($this->buffer) >= $this->hwm) {
            return 0;
        }

return strlen($string);
    }

/**
     * @return mixed
     */
    public function getMetadata($key = null)
    {
        if ($key !== null && !\is_string($key)) {
            \trigger_deprecation(
                'guzzlehttp/psr7',
                '2.11',
                'Passing %s to StreamInterface::getMetadata() is deprecated; guzzlehttp/psr7 3.0 requires string|null for $key.',
                \get_debug_type($key)
            );
        }

if ($key === 'hwm') {
            return $this->hwm;
        }

return $key ? null : [];
    }
}