wpsnoop Function checkday() conflicts found in 4 plugins

A php function called checkday() 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 checkday()

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

Plugin
Webfonts
Webfonts
Webfonts
Webfonts