wpsnoop Function textbook_header_image_background() conflicts found in plugins 1 theme

A php function called textbook_header_image_background() 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 textbook_header_image_background()

The following theme registers a function called textbook_header_image_background():

Theme
TextBook