[SOLVED] how to output error messages in exec()

[php1]

 

exec($command,$output,$return);

I got the return value  as 0 or 1

But when i echo $output i got the value as array() .

 

is there any way to output  the error messages in exec() command execution

[trq]

print_r($output);

[php1]

thank u for ur reply.

 

$command = $command." 2>&1";

exec($command, $output,$return);

print_r($output);