wpsnoop Function is_listing() conflicts found in 4 plugins

A php function called is_listing() is used in 4 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 is_listing()

The following 4 plugins register a function called is_listing():

Plugin
Listings WP - Real Estate Listings
Auto Listings
Great Real Estate
WP Hotelier