wpsnoop Function firmness_sanitize_cb() conflicts found in plugins 1 theme

A php function called firmness_sanitize_cb() 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 firmness_sanitize_cb()

The following theme registers a function called firmness_sanitize_cb():

Theme
Firmness