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POWhy is calling (ImageMagick) convert.exe from PHP script resulting in an unresponsive page?
 

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  1. POWhy is calling (ImageMagick) convert.exe from PHP script resulting in an unresponsive page?
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    <p><strong>* This is now resolved *</strong> by clearing the temp folder in windows! </p> <p>Some info - Windows 2003 server, IIS 6 ImageMagick 6.3.3 PHP 5.2.0</p> <p>I am using ImageMagick to resize images on the server and I think this has recently been causing problems. What I am noticing is that when my PHP script executes the ImageMagick command the webpage freezes and will not reload. In fact I found that I have to clear the cache and cookies before I am able to reload the page and try again. Ive isolated the problem to the line of code that calls the imageMagick convert.exe. I get no response and using Mozilla Firebug to look at the traffic I can see that there is no data returned, no information about the page being called, simply it seems to hang.</p> <p>The code that calls ImageMagick has not changed and has always worked previously (about 2 years!) and is as follows -</p> <pre><code> $cmd = "convert.exe \"". $uploadfile . "\" -resize \"" . res_image_width ."x" . res_image_height . "&gt;\" \"". $uploadfile. "\" 2&gt;&amp;1"; passthru($cmd); //system($cmd); //exec($cmd); </code></pre> <p>(I have normally used passthru but I tried exec and system to see if I could return some info. )</p> <p>I can run ImageMagick commands from the command line no problem and images get resized fine... so ImageMagick seems to be working fine, it just appears to be the PHP -> ImageMagick communication that is the problem. Im hoping restarting might solve it. Do you know anything else it could be? How would I go about debugging this? </p> <p>many thanks</p>
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