A detailed introduction to how php converts ppt to pictures and how php calls com components.

PHP calls the com component to convert ppt to picture.

Needs to be enabled in php.ini

extension=php_com_dotnet.dll
com.allow_dcom = true

The test code is as follows:

<?php
$powerpnt = new COM("powerpoint.application") or die("Unable to instantiate Powerpoint");
$file=&#39;1.ppt&#39;;
echo realpath($file);

$addr = $_SERVER[&#39;DOCUMENT_ROOT&#39;].&#39;/ppt/1.ppt&#39;;
echo $addr;
$presentation = $powerpnt->Presentations->Open($addr, false, false, false) or die("Unable to open presentation");


$presentation->Fonts->Replace(&#39;黑体&#39;,&#39;幼圆&#39;);
$presentation->Fonts->Replace(&#39;MS Gothic&#39;,&#39;幼圆&#39;);
$presentation->Fonts->Replace(&#39;方正粗倩简体&#39;,&#39;幼圆&#39;);
$presentation->Fonts->Replace(&#39;方正小标宋简体&#39;,&#39;幼圆&#39;);
$presentation->Fonts->Replace(&#39;Arial Black&#39;,&#39;幼圆&#39;);
$presentation->Fonts->Replace(&#39;华文中宋&#39;,&#39;幼圆&#39;);
$presentation->Fonts->Replace(&#39;Arial Unicode MS&#39;,&#39;幼圆&#39;);
$presentation->Fonts->Replace(&#39;方正细圆简体&#39;,&#39;幼圆&#39;);
$presentation->Fonts->Replace(&#39;Times New Roman&#39;,&#39;幼圆&#39;);


foreach($presentation->Fonts as $c)
{
	echo $c->name."<br />";
	//echo $c->Replace(&#39;&#39;,&#39;&#39;);
}


foreach($presentation->Slides as $slide)
{
$slideName = "Slide_" . $slide->SlideNumber;
$uploadsFolder = &#39;iii&#39;;
$exportFolder = realpath($uploadsFolder);
$slide->Export($exportFolder."//".$slideName.".jpg", "jpg", "1920", "1080");
}
$presentation->Close();
$powerpnt->Quit();
$powerpnt = null;
?>

Run on win7, no problem, but an error occurs when placed on 2008, there is oneexceptionCall unknown...

##Solution:

cmd -》dcomcnfg

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