Strange php shell_exec() issue.

[Matthew D. Fuller]

On Fri, Mar 18, 2016 at 03:09:29AM -0400 I heard the voice of
Yao Bao, and lo! it spake thus:
> 
> I execute the command via shell and php CLI, both return the same
> right result. But the problem is, when I try to echo the result on
> browser, the number field of the output doubled!

Perhaps you've got $BLOCKSIZE=1024 in your env, so when you run it
from your shell (or a descendent thereof), it's showing the output in
multiples of 1k, but from the web there's no such env, so you're
showing in multiples of 512.  Try with du -k (or -h, if it's for human
consumption anyway).


-- 
Matthew Fuller     (MF4839)   |  fullermd at over-yonder.net
Systems/Network Administrator |  http://www.over-yonder.net/~fullermd/
           On the Internet, nobody can hear you scream.