FFMPEG running in Command Line but not PHP

Question

I am using ffmpeg build for windows to make video thumbnails . The command works well in command line but not from PHP exec method. am using PHP 5.2.11

Here is the c

Answer 1

exec("\"E:\\Documents and Settings\\x\\WINDOWS\\ffmpeg\" -i   ");

Here's one of mine I've used in the past (granted I'm on a LAMP stack):

$cmd = "/usr/bin/ffmpeg -i ".$in." -y -an -sameq -vframes 1 -s 100x56 -ss 3 -t 0.001 ".$out;

You may also consider: http://ffmpeg-php.sourceforge.net/