wpsnoop Function referrer_plugin_support() conflicts found in 2 plugins

A php function called referrer_plugin_support() 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 referrer_plugin_support()

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

Plugin
WP Referrer
Referrer WP