Php/docs/function.socket-send

• PHP Manual
• Socket 函数
• Sends data to a connected socket

socket_send

(PHP 4 >= 4.1.0, PHP 5, PHP 7)

socket_send — Sends data to a connected socket

说明

socket_send ( resource $socket , string $buf , int $len , int $flags ) : int

The function socket_send() sends len bytes to the socket socket from buf.

参数

socket

A valid socket resource created with socket_create() or socket_accept().

buf

A buffer containing the data that will be sent to the remote host.

len

The number of bytes that will be sent to the remote host from buf.

flags

The value of flags can be any combination of the following flags, joined with the binary OR (|) operator.

Possible values for flags

MSG_OOB	Send OOB (out-of-band) data.
MSG_EOR	Indicate a record mark. The sent data completes the record.
MSG_EOF	Close the sender side of the socket and include an appropriate notification of this at the end of the sent data. The sent data completes the transaction.
MSG_DONTROUTE	Bypass routing, use direct interface.

返回值

socket_send() returns the number of bytes sent, or false on error.

参见

• socket_sendto() - Sends a message to a socket, whether it is connected or not