socket_shutdown(3) [php man page]
SOCKET_SHUTDOWN(3) 1 SOCKET_SHUTDOWN(3) socket_shutdown - Shuts down a socket for receiving, sending, or both SYNOPSIS
bool socket_shutdown (resource $socket, [int $how = 2]) DESCRIPTION
The socket_shutdown(3) function allows you to stop incoming, outgoing or all data (the default) from being sent through the $socket PARAMETERS
o $socket - A valid socket resource created with socket_create(3). o $how - The value of $how can be one of the following: possible values for $how +--+--------------------------------------+ | | | |0 | | | | | | | Shutdown socket reading | | | | | | | |1 | | | | | | | Shutdown socket writing | | | | | | | |2 | | | | | | | Shutdown socket reading and writing | | | | +--+--------------------------------------+ RETURN VALUES
Returns TRUE on success or FALSE on failure. PHP Documentation Group SOCKET_SHUTDOWN(3)
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SOCKET_SET_BLOCK(3) 1 SOCKET_SET_BLOCK(3) socket_set_block - Sets blocking mode on a socket resource SYNOPSIS
bool socket_set_block (resource $socket) DESCRIPTION
The socket_set_block(3) function removes the O_NONBLOCK flag on the socket specified by the $socket parameter. When an operation (e.g. receive, send, connect, accept, ...) is performed on a blocking socket, the script will pause its execution until it receives a signal or it can perform the operation. PARAMETERS
o $socket - A valid socket resource created with socket_create(3) or socket_accept(3). RETURN VALUES
Returns TRUE on success or FALSE on failure. EXAMPLES
Example #1 socket_set_block(3) example <?php $socket = socket_create_listen(1223); socket_set_block($socket); socket_accept($socket); ?> This example creates a listening socket on all interfaces on port 1223 and sets the socket to O_BLOCK mode. socket_accept(3) will hang until there is a connection to accept. SEE ALSO
socket_set_nonblock(3), socket_set_option(3). PHP Documentation Group SOCKET_SET_BLOCK(3)