com_event_sink

com_event_sink

Connect events from a COM object to a PHP object

bool **com_event_sink** variant $variant object $sink_object  $sink_interface

Instructs COM to sink events generated by into the PHP object . variant``sink_object

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.

variant

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

sink_interface PHP will attempt to use the default dispinterface type specified by the typelibrary associated with , but you may override this choice by setting to the name of the dispinterface that you want to use. variant``sink_interface

return.success

Voorbeeld: 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");
$sink = new IEEventSinker();
com_event_sink($ie, $sink, "DWebBrowserEvents2");
$ie->Visible = true;
$ie->Navigate("http://www.example.org");
while(!$sink->terminated) {
  com_message_pump(4000);
}
$ie = null;
?>

Let op: > Prior to PHP 8.0.0, calling from any of the event handlers is not supported, and may cause PHP to hang. This can be worked around by throwing an exception from the event handler, catching the exception in the main code, and calling from there. exit``exit

com_print_typeinfo``com_message_pump