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socket_set_block

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(PHP 4 >= 4.2.0, PHP 5, PHP 7)

socket_set_block — Sets blocking mode on a socket resource

Description

socket_set_block ( resource $socket ) : bool

The socket_set_block() 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.

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Parameters

socket

A valid socket resource created with socket_create() or socket_accept().

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Return Values

Returns TRUE on success or FALSE on failure.

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Examples

Example #1 socket_set_block() 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() will hang until there is a connection to accept.

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See Also

Find a PHP function

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Document created the 30/01/2003, last modified the 26/10/2018
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References

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