exec return_var

Hi,

I am running on the shell your code to check for the binary:

export MALLOC_CHECK_=1; ffmpeg -version 2>&1

malloc: using debugging hooks
FFmpeg version SVN-rUNKNOWN, Copyright (c) 2000-2004 Fabrice Bellard
configuration: --enable-gpl --enable-pp --enable-pthreads --enable-vorbis --e ble-debug --enable-shared --prefix=/usr
libavutil version: 0d.49.0.0
libavcodec version: 0d.51.11.0
libavformat version: 0d.50.5.0
built on Mar 26 2007 14:28:38, gcc: 4.1.2 20061115 (prerelease) (Debian 4.1.1-
ffmpeg SVN-rUNKNOWN
libavutil 3211264
libavcodec 3345152
libavformat 3278080

But the PHP exec return value is 1

	_op_video_ffmpeg_exec('-version', $output, $result);
	
	if($result == 0) {

So this won't work. If I set it to == 1 it runs fine and lists the codecs.

I am running this on a Suse as well and did not encounter any difficulties.
Could one please tell me what is going wrong with my debian system or how I could debug further?