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PHP. Руководство по PHP. 2005

Socket

Приложение M. List of Supported Protocols/Wrappers

Socket

This section contains the context options supported by the wrappers that work over sockets, like tcp, http or ftp.

As of PHP 5.1.0 only one option is supported, bindto, which can be used to specify the IP address (either IPv4 or IPv6) and/or the port number that PHP will use to access the network. The syntax is ip:port (you can set the IP or the port number to 0 if you want to let the system choose them for you).

Замечание: As FTP creates two socket connections during normal operation, you cannot specify the port number in the bindto option. So, the only supported syntax is ip:0 for the FTP wrapper.

Пример M-1. Some examples of how to use the bindto option
<?php // connect to the internet using the '192.168.0.100' IP $opts = array('socket' => array('bindto' => '192.168.0.100:0')); // connect to the internet using the '192.168.0.100' IP and port '7000' $opts = array('socket' => array('bindto' => '192.168.0.100:7000')); // connect to the internet using port '7000' $opts = array('socket' => array('bindto' => '0:7000')); // create the context... $context = stream_context_create($opts); // ...and use it to fetch the data echo file_get_contents('http://example.com', false, $context);
?>

Пред. Начало След.

List of Supported Protocols/Wrappers

Уровень выше

HTTP and HTTPS

Отвечу на любые вопросы. С уважением, Дмитрий Владимирович.

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