wpsnoop Function wpi_feature_installed() conflicts found in 1 plugin

A php function called wpi_feature_installed() 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 wpi_feature_installed()

The following plugin registers a function called wpi_feature_installed():

Plugin
WP-Invoice