run batch file in php, openssl

[rahuul]

hi friends,

 

i have a batch file to revoke crt files. i want to know how i can run that file using php.

 

command is:    revoke-full username

 

I tried exec, system but it doesn't works pls help........

 

<?
$a = system("C:\\Program Files\\OpenVPN\\easy-rsa\\revoke-full.bat Sarad",$b)or die("error");
print $a;
print $b;
?>

 

every time it gives prints error, and if i remove 'die' part it prints 1