php - Printing to a network thermal printer -

php - Printing to a network thermal printer -

i designing restaurant pos scheme self , facing little problem. webserver xampp on windows 7 32 bit having ip 192.168.1.20. there network thermal printer connected straight network on ip 192.168.1.25. installed printer on webserver , working windows environment. shared printer on webserver name "p2"

now have mapped network printer lpt1 using command:

net utilize lpt1: \192.168.1.20\p2 /persistent:yes

now problem is: when print file command prompt using command

print file1.txt /d:lpt1 works charm, when phone call command php webpage using command

exec('print file1.txt /d:lpt1'); nil happens...

when tried debug issue using

exec('print file1.txt /d:lpt1', $output); var_dump($output);

the next error comes:

array(1) { [0]=> string(32) "unable initialize device lpt1" }

now don't know, what's wrong this.

help needed

php printing xampp