Dash or underscore in theme folder name?
In short, there is no well defined convention for naming a theme’s directory, and all of the following are valid (among others): my_wordpress_theme my-wordpress-theme (empirically the most popular option within the ecosystem) MyWordPressTheme mywordpresstheme (what the default themes use) Details The WordPress PHP Coding Standards Handbook states that filenames should be all lowercase and hyphen-separated. … Read more