file command error in error.log

[hpham]

2009-05-09 07:09:34.560 [STDERR] Usage: file [-bcikLhnNsvz] [-f namefile] [-F separator] [-m magicfiles] file...
file -C -m magicfiles
Try `file --help' for more information.
2009-05-09 07:09:34.599 [STDERR] Usage: file [-bcikLhnNsvz] [-f namefile] [-F separator] [-m magicfiles] file...
file -C -m magicfiles
Try `file --help' for more information.
2009-05-09 07:09:35.192 [STDERR] Usage: file [-bcikLhnNsvz] [-f namefile] [-F separator] [-m magicfiles] file...
file -C -m magicfiles
2

I have many above lines in error.log. Why do they appear there?
Thanks.

 

[mistwang]

A PHP script executes "file" commands with wrong parameters.

 

[hpham]

How can I find out which script?

 

[auser]

How can I find out which script?

check access.log at that time may help.