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If you are new to PHP or just need to refresh your skills, this is the place to start. This series of tutorials will give you the basic knowledge you will need to create a simple PHP website.

PHP is a reflective programming language originally designed for producing dynamic web pages.[1] PHP is used mainly in server-side scripting, but can be used from a command line interface or in standalone graphical applications. Textual User Interfaces can also be created using ncurses.

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com_event_sink

(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;
?>

See also com_print_typeinfo(), com_message_pump().

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PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML. If you are new to PHP and want to get some idea of how it works, try the introductory tutorial. After that, check out the online manual, and the example archive sites and some of the other resources available in the links section.