stream_socket_sendto()
(PHP 5, PHP 7)
Sends a message to a socket, whether it is connected or not
说明
stream_socket_sendto(resource $socket,string $data[,int $flags= 0[,string $address]]): int
Sends the specified$datathrough the$socket.
参数
- $socket
The socket to send$datato.
- $data
The data to be sent.
- $flags
The value of$flagscan be any combination of the following:
possible values for$flags STREAM_OOB
Process OOB (out-of-band) data. - $address
The address specified when the socket stream was created will be used unless an alternate address is specified in$address.
If specified, it must be in dotted quad (or [ipv6]) format.
返回值
Returns a result code, as an integer.
范例
Example #1stream_socket_sendto()Example
<?php /* Open a socket to port 1234 on localhost */ $socket = stream_socket_client('tcp://127.0.0.1:1234'); /* Send ordinary data via ordinary channels. */ fwrite($socket, "Normal data transmit."); /* Send more data out of band. */ stream_socket_sendto($socket, "Out of Band data.", STREAM_OOB); /* Close it up */ fclose($socket); ?>
参见
stream_socket_recvfrom()
Receives data from a socket, connected or notstream_socket_client()
Open Internet or Unix domain socket connectionstream_socket_server()
Create an Internet or Unix domain server socket
The return appears to be the size in bytes of the data written to the socket, or -1 on failure (this could be because of non blocking)