strange string

[SIZE=15px]Hello,[/SIZE]

[SIZE=15px]After deploy my application, I found a line code at the bottom of my form like this " / form_inventaris_user_pack_protect_string ?> "[/SIZE]

[SIZE=15px]This code I found only in one of my forms. I did not found this code in the development environment.[/SIZE]

[SIZE=15px]What does it mean [/SIZE][SIZE=15px]and how do we fix it ?[/SIZE]

[SIZE=15px]Please find screenshot attached.[/SIZE]

[SIZE=15px]Thank You[/SIZE]
[SIZE=15px]Subhan[/SIZE]

screenshot.png

strange, can you search the source code and see where this line is presented?

since is not showing in the development, did you try to hide errors from application settings and assuming php.ini is for production, and still there?