Plugins should amend the $validity object via its WP_Error::add() method. The dynamic portion of the hook name, $this->ID, refers to the setting ID.
606* @since 4.6.0607*608* @param WP_Error$validity Filtered from `true` to `WP_Error` when invalid.609* @param mixed$value Value of the setting.610* @param WP_Customize_Setting$setting WP_Customize_Setting instance.611*/612$validity=apply_filters("customize_validate_{$this->id}",$validity,$value,$this);613614if(is_wp_error($validity)&&!$validity->has_errors()){615$validity=true;616}617return$validity;618}
History
Introduced in 4.6.0. Unchanged from 6.7.7 through 7.1.0.