socket_send

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

socket_send — Sends data to a connected socket

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

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

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.

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.

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