Set up the class variables.
A dummy magic method to prevent WPcom_VIP_Plugins_UI from being unserialized
A dummy magic method to prevent WPcom_VIP_Plugins_UI from being cloned
A dummy constructor to prevent WPcom_VIP_Plugins_UI from being loaded more than once.
Main WPcom_VIP_Plugins_UI Instance
Utility function to trigger a callback on a hook with priority or execute immediately if the hook has already been fired previously.
The widget settings form for the wp-admin Widgets screen
Option update callback when the widget’s settings are updated
Outputs the widget content
Retrieve adjacent post.
Drop in replacement for wp_cache_get().
Drop in replacement for wp_cache_set().
Cached version of term_exists()
Error handler that doesn’t print the call location
Disables the WordPress.com-specific Customizer and Custom Design
Allow VIP themes to disable global terms on WordPress.com.
Helper function for validiting and sanitizing values for crop parametr used in photon URLs