wpsnoop Function instabook_set_referal_key() conflicts found in 2 plugins

A php function called instabook_set_referal_key() is used in 2 wordpress plugins/themes and could produce a potential conflict if the wrong combination of themes and plugins is used on your site.

To prevent this from happening developers are encouraged to use namespaces and scopes that isolate their functions from colliding with other functions but this is not always done correctly.

We hope this reference helps you to find PHP Fatal error: Cannot redeclare instabook_set_referal_key()

The following 2 plugins register a function called instabook_set_referal_key():

Plugin
Guestonline
Guestonline Reservation for Restaurant