mtn through shell_exec

[mraza]

hi i am trying to run movie thumbnailer (mtn) thround php script but its not working, in shell it works correctly, here is my code to test

<?php
error_reporting(E-ALL);

if (function_exists(shell_exec)) {
echo "Shell Function is Available<br />";
}

$output = shell_exec('mtn');
if($output) {
echo "<pre>$output</pre>";
}else{
echo "Not worked and returned: " . print_r($output);
}
?>

 

and the result is

 

Shell Function is Available

Not worked and returned: 1

 

if i run mtn in shell it works perfectly, please any help?

thanks

 

 

 

[mraza]

sorry i tried this too

$output = shell_exec('./path/to/mtn');

 

but not working

[mraza]

i tried to run this php file through CLI and everything is working correctly, please can someone tell why its not running in browser but run ok in CLI...  its a ubuntu 8.10 server

 

Thanks for support