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(PHP 4 >= 4.1.0, PHP 5)

socket_bind -- Binds a name to a socket

Description

bool socket_bind ( resource socket, string address [, int port] )

Binds the name given in address to the socket described by socket .

Parameters

socket

A valid socket resource created with socket_create() .

address

If the socket is of the AF_INET family, the address is an IP in dotted-quad notation (e.g. 127.0.0.1 ).

If the socket is of the AF_UNIX family, the address is the path of a Unix-domain socket (e.g. /tmp/my.sock ).

port (Optional)

The port parameter is only used when connecting to an AF_INET socket, and designates the port on the remote host to which a connection should be made.

Return Values

Returns TRUE on success or FALSE on failure.

The error code can be retrieved with socket_last_error() . This code may be passed to socket_strerror() to get a textual explanation of the error.

Examples

Example 1. Using socket_bind() to set the source address

<?php
// Create a new socket
$sock = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);

// An example list of IP addresses owned by the computer
$sourceips['kevin']    = '127.0.0.1';
$sourceips['madcoder'] = '127.0.0.2';

// Bind the source address
socket_bind($sock, $sourceips['madcoder']);

// Connect to destination address
socket_connect($sock, '127.0.0.1', 80);

// Write
$request = 'GET / HTTP/1.1' . "\r\n" .
           'Host: example.com' . "\r\n\r\n";
socket_write($sock, $request);

// Close
socket_close($sock);

?>

Notes

Related Function(s)

socket_create()

socket_last_error()

socket_strerror()

socket_connect()

socket_listen()