php exec returns less results than entering into command line directly

Question

I have an exec command that is behaving differently than the same command given to linux through Penguinet.

 $res = exec(\'cd /mnt/mydirectory/; zcat log_fil         


        

Answer 1

try this:

exec('cd /mnt/mydirectory/; zcat log_file.gz', $res);
print_r($res);