com_event_sink

(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)

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

Description

com_event_sink(variant $variant, object $sink_object, array|string|null $sink_interface = null): bool

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

Parameters

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

Return Values

Returns true on success or false on failure.

Changelog

Version	Description
8.0.0	`sink_interface` is nullable now.

Examples

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

Notes

Caution

Prior to PHP 8.0.0, calling exit() 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 exit() from there.

Found A Problem?

Learn How To Improve This Page • Submit a Pull Request • Report a Bug

＋add a note

User Contributed Notes 2 notes

down

veggie ¶

8 years ago

I got voice recognition working. I'm not sure why the way I called the sink function made it work but I'm more about results right now. This small example had me rolling on the floor laughing.<?php/*  * Search this for more info on the voice stuff: * Automation Interfaces and Objects (SAPI 5.4) *///directions: //php friend.php//then fire up windows voice recognition and turn it on and say stuff$voice = new COM("SAPI.SpVoice");print "Hit control+c to end.\n";print "Friend: Hello friend!\n";$voice->Speak("Hello friend!");class listen{        function Recognition($StreamNumber, $StreamPosition, $RecognitionType, $ISpeechRecoResult)    {                $phrase = $ISpeechRecoResult->PhraseInfo;        $text = $phrase->GetText();                print "\nYou:$text\n";                     global $voice;        $say = array('oh', 'nice', 'humm', 'interesting', 'you dont say', 'uh huh', 'right', 'what', 'ha ha', 'you have got to be joking', 'right back at you buddy');        $idx = rand(0, count($say)-1);                print "Friend: " . $say[$idx] . "\n";        $voice->Speak($say[$idx]);            }    }$recog = new COM("SAPI.SpSharedRecognizer");$context = $recog->CreateRecoContext();//SRERecognition = 16 (default)//SREAllEvents = 393215//$context->EventInterests = 393215;//try to listen to events on context$listen = new listen(); //event handlerif (!com_event_sink($context, $listen, "RecognizerStateChange")){    print "Unable to sink events\n";    exit;}$grammar = $context->CreateGrammar();$i = $grammar->DictationLoad();$s = $grammar->DictationSetState(1); //1=on, 0=offwhile(true){        if(!com_message_pump(1000))    {        print ".";    }    }?>