socket_bind (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 . This has to be done before
a connection can be established using socket_connect() socket_listen()
Parameters
socket
A valid socket resource created with socket_create()
address
If the socket is of the AF_INET address is an IP in dotted-quad notation
(e.g. 127.0.0.1 ).
If the socket is of the AF_UNIX 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
Return Values Returns TRUE FALSE
The error code can be retrieved with socket_last_error() socket_strerror()
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 Note:
Windows 9x/ME compatibility note:
socket_last_error()
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