Fires after all default WordPress widgets have been registered. Parameters . ( 2.2.0 ) . . Hook name: widgets_init Hook type: action Plugin ref: WordPress Sourcefile: File ref: wp_widgets_init() – Registers all of the default WordPress widgets on startup. Description: Fires after all default WordPress widgets have been registered. Parameters: Deprecated?: No API Letters: I,W Invokers 1 to 1 of 1 wp_widgets_init() – Registers all of the default WordPress widgets on startup. Implementers