wpsnoop Function twentythirteen_register_block_styles() conflicts found in plugins 22 themes
A php function called twentythirteen_register_block_styles() is used in 22 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 twentythirteen_register_block_styles()
The following 22 themes register a function called twentythirteen_register_block_styles():