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Swoole\Client::send	Swoole\Client::sendto

Swoole\Client	Last updated: Mon, 26 Oct 2026

Swoole\Client::sendfile

(PECL swoole >= 1.9.0)

Swoole\Client::sendfile — Send file to the remote TCP socket.

Description

public function Swoole\Client::sendfile(string $filename, int $offset = ?): bool

This is a wrapper of the Linux sendfile system call.

Parameters

filename: File path of the file to send.
offset: Offset of the file to send

Return Values

Swoole\Client::send	Swoole\Client::sendto

Swoole\Client	Last updated: Mon, 26 Oct 2026