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      Socket context option listing

      Socket context options

      (No version information available, might be only in CVS)

      Socket context options — Socket context option listing

      Description

      Socket context options are available for all wrappers that work over sockets, like tcp, http and ftp.

      Options

      bindto

      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. Setting the IP or the port to 0 will let the system choose the IP and/or port.

      Note: As FTP creates two socket connections during normal operation, the port number cannot be specified using this option.

      ChangeLog

      Version Description
      5.1.0 Added bindto.

      Examples

      Example #1 Basic bindto usage example

      <?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://www.example.com'false$context);

      ?>


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