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(PHP 4 >= 4.1.0, PHP 5)

socket_listen -- Listens for a connection on a socket

Description

bool socket_listen ( resource socket [, int backlog] )

After the socket socket has been created using socket_create() and bound to a name with socket_bind() , it may be told to listen for incoming connections on socket .

A maximum of backlog incoming connections will be queued for processing. If a connection request arrives with the queue full the client may receive an error with an indication of ECONNREFUSED , or, if the underlying protocol supports retransmission, the request may be ignored so that retries may succeed.

socket_listen() is applicable only to sockets of type SOCK_STREAM or SOCK_SEQPACKET .

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.

Related Function(s)

socket_create()

socket_bind()

socket_last_error()

socket_strerror()

socket_accept()

socket_connect()