Is it possible to get a running instance of a component ?
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9.9 PHP and COM
9 FAQ : Foire Aux Questions
 Manuel PHP
.  I have built a DLL to calculate something. Is there any way to run this DLL under PHP ?
.  What does 'Unsupported variant type: xxxx (0xxxxx)' mean ?
.  Is it possible manipulate visual objects in PHP ?
.  Can I store a COM object in a session ?
.  How can I trap COM errors ?
.  Can I generate DLL files from PHP scripts like i can in Perl ?
.  What does 'Unable to obtain IDispatch interface for CLSID {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}' mean ?
.  How can I run COM object from remote server ?
.  I get 'DCOM is disabled in C:\path...\scriptname.php on line 6', what can I do ?
.  Is it possible to load/manipulate an ActiveX object in a page with PHP ?
.  Is it possible to get a running instance of a component ?
-> Is there a way to handle an event sent from COM object ?
.  I'm having problems when trying to invoke a method of a COM object which exposes more than one interface. What can I do ?
.  So PHP works with COM, how about COM+ ?
.  If PHP can manipulate COM objects, can we imagine to use MTS to manage components resources, in conjunction with PHP ?

9.9.12 Is there a way to handle an event sent from COM object ?

Starting in PHP 4.3.0, you can define an event sink and bind it as shown in the example below. You can use com_print_typeinfo to have PHP generate a skeleton for the event sink class.
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;
$ie->Navigate("http://www.php.net");
while(!$sink->terminated) {
  com_message_pump(4000);
}
$ie = null;
?>

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Is it possible to get a running instance of a component ? PHP and COM I'm having problems when trying to invoke a method of a COM object which exposes more than one interface. What can I do ?