wpsnoop Function build_sorter() conflicts found in 2 plugins

A php function called build_sorter() 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 build_sorter()

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

Plugin
Formidable A/B Tests
GradeBook