wpsnoop Function swiftbook_signup_mail() conflicts found in 1 plugin

A php function called swiftbook_signup_mail() is used in 1 wordpress plugin/theme 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 swiftbook_signup_mail()

The following plugin registers a function called swiftbook_signup_mail():

Plugin
SwiftBooks Subscription