PHP Manual: StreamBucket

Introduction

A stream bucket is a chunk of a stream which can be extracted from bucket brigades.

final class StreamBucket {

/* Properties */

public readonly resource $bucket;

public readonly string $data;

public readonly int $datalen;

public readonly int $dataLength;

}

resource bucket: A userfilter.bucket resource.
string data: The current string in the bucket.
int datalen: The length of the string in the bucket. Deprecated as of PHP 8.4 in favor of StreamBucket::$dataLength.
int dataLength: The length of the string in the bucket.