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

Descrizione

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.

Elenco dei parametri

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.

Valori restituiti

Restituisce true in caso di successo, false in caso di fallimento.

Log delle modifiche

Versione	Descrizione
8.0.0	`sink_interface` is nullable now.

Esempi

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;
?>

Note

Attenzione

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.

Vedere anche:

com_print_typeinfo() - Print out a PHP class definition for a dispatchable interface
com_message_pump() - Process COM messages, sleeping for up to timeoutms milliseconds

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User Contributed Notes 2 notes

down

veggie ¶

7 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
$listen = new listen(); //event handler
if (!com_event_sink($context, $listen, "RecognizerStateChange"))
{
    print "Unable to sink events\n";
    exit;
}

$grammar = $context->CreateGrammar();

$i = $grammar->DictationLoad();

$s = $grammar->DictationSetState(1); //1=on, 0=off

while(true)
{
    
    if(!com_message_pump(1000))
    {
        print ".";
    }
    
}

?>

down

fjortiz ¶

19 years ago

In case someone needs a skeleton sink for ADODB.Connection events:

class ADOConnectionEventSink    {

    function BeginTransComplete( $translevel, $objerror, $status, $objconn )    {
        return 0;
    }

    function CommitTransComplete( $objerror, $status, $objconn )    {
        return 0;
    }

    function RolbackTransComplete( $objerror, $status, $objconn )    {
        return 0;
    }

    function WillConnect ( $ConnectionString, $userid, $psword, $options, $status, $objconn )    {
        return 0;
    }

    function ConnectComplete ( $objerror, $status, $objconn)    {
        return 0;
    }

    function Disconnect( $status, $objConn )    {
        return 0;
    }

    function WillExecute ( $src, $cursortyp, $locktyp, $options, $status, $objcomm, $objrs, $objconn )    {
        return 0;
    }

    function ExecuteComplete ( $recaffected, $objerror, $status, $objcomm, $objrs, $objconn )    {
        return 0;
    }

    function InfoMessage ( $objerror, $status, $objconn)    {
        return 0;
    }
}

// later on...
$db = new COM("ADODB.Connection", NULL, $charPage);
$sink = new ADOConnectionEventSink();
com_event_sink($db, $sink, "ConnectionEvents");
//...

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