w3tc_config_ui_save-w3tc_extensions, array( $this, w3tc_save_options w3tc_config_ui_save-w3tc_extensions, array( $this, w3tc_save_options Share this:TweetLike this:Like Loading… Hook Type: actionSee hook in action See this hook used in plugins:Select Pluginw3-total-cache.2.10.3