wpsnoop Function twig_upper_filter() conflicts found in 35 plugins
A php function called twig_upper_filter() is used in 35 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 twig_upper_filter()
The following 35 plugins register a function called twig_upper_filter():
