Swoole\Client
PHP Manual

Swoole\Client::send

Send data to the remote TCP socket.

Description

public int Swoole\Client::send(string $data, string $flag = ?)

Parameters

data

The data to send which can be string or binary

flag

Return Values

If the client sends data successfully, it returns the length of data sent. Or it returns false and sets $swoole_client->errCode. For sync client, there is no limit for the data to send. For async client, The limit for the data to send is socket_buffer_size.