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PHP Manual :: socket_create_listen



socket_connect || socket_create_pair || Socket Functions || PHP Manual

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

socket_create_listenOpens a socket on port to accept connections

Description

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

socket_create_listen() 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

port

The port on which to listen on all interfaces.

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() for more information.

Return Values

socket_create_listen() returns a new socket resource on success or FALSE on error. 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.

Notes

Note:

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

See Also



socket_connect || socket_create_pair || Socket Functions || PHP Manual
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