php man page for socket_create_listen

SOCKET_CREATE_LISTEN(3) 						 1						   SOCKET_CREATE_LISTEN(3)

socket_create_listen - Opens a socket on port to accept connections

SYNOPSIS
       resource socket_create_listen (int  $port, [int	$backlog = 128])

DESCRIPTION
       socket_create_listen(3)	creates  a new socket resource of type AF_INET listening on all local interfaces on the given port waiting for new
       connections.

	This function is meant to ease the task of creating a new socket which only listens to accept new connections.

PARAMETERS
	      o $port
		- The port on which to listen on all interfaces.

	      o $backlog
		- The $backlog parameter defines the maximum length the queue of pending connections may grow to.   SOMAXCONN  may  be	passed	as
		$backlog parameter, see socket_listen(3) for more information.

RETURN VALUES
       socket_create_listen(3)	 returns  a  new  socket  resource  on	success  or  FALSE  on	error.	The  error  code  can  be  retrieved  with
       socket_last_error(3). This code may be passed to socket_strerror(3) to get a textual explanation of the error.

NOTES
       Note

	       If you want to create a socket which only listens on a certain interface you  need  to  use  socket_create(3),  socket_bind(3)  and
	      socket_listen(3).

SEE ALSO
       socket_create(3), socket_create_pair(3), socket_bind(3), socket_listen(3), socket_last_error(3), socket_strerror(3).

PHP Documentation Group 												   SOCKET_CREATE_LISTEN(3)