PHP system returns 4

Posted by tomk94 on Stack Overflow See other posts from Stack Overflow or by tomk94
Published on 2010-03-14T18:54:22Z Indexed on 2010/03/14 19:05 UTC
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php

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system

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convert

Hello everybody,

I want to convert a pdf file to an image with PHP, but i can't get the command worked. PHP returns a 4. I don't have any kind of idea what that can be.

I am using the next code:

$tmp = system("convert -version", $value); 
var_dump($value);

Someone an idea?

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