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(PHP 4 >= 4.2.3, PHP 5)

com_event_sink --  Connect events from a COM object to a PHP object

Description

bool com_event_sink ( variant comobject, object sinkobject [, mixed sinkinterface] )

Instructs COM to sink events generated by comobject into the PHP object sinkobject . PHP will attempt to use the default dispinterface type specified by the typelibrary associated with comobject , but you may override this choice by setting sinkinterface to the name of the dispinterface that you want to use.

sinkobject should be an instance of a class with methods named after those of the desired dispinterface; you may use com_print_typeinfo() to help generate a template class for this purpose.

Be careful how you use this feature; if you are doing something similar to the example below, then it doesn't really make sense to run it in a web server context.

Example 1. COM event sink example

<?php
class IEEventSinker {
  var $terminated = false;

  function ProgressChange($progress, $progressmax) {
    echo "Download progress: $progress / $progressmax\n";
  }

  function DocumentComplete(&$dom, $url) {
    echo "Document $url complete\n";
  }

  function OnQuit() {
    echo "Quit!\n";
    $this->terminated = true;
  }
}
$ie = new COM("InternetExplorer.Application");
// note that you don't need the & for PHP 5!
$sink =& new IEEventSinker();
com_event_sink($ie, $sink, "DWebBrowserEvents2");
$ie->Visible = true;
$ie->Navigate("http://www.php.net");
while(!$sink->terminated) {
  com_message_pump(4000);
}
$ie = null;
?>

Related Function(s)

com_print_typeinfo()

com_message_pump()