provides an easy way to navigate up and down through the hierarchy of methods.
If a method is overridden by a certain method, or overrides some method
itself, it is
marked with an icon in the gutter area of the editor. When the mouse cursor hovers over such icon, the
method information is displayed as the tooltip:
In the PHP context, PhpStorm also indicates class fields that override the corresponding fields of the superclass and the
fields that are overridden in the subclasses.
: This method or field overrides a method defined by its superclass.
: This method or field is implemented / overridden by one or more
Use these icons, shortcuts, or menu commands to navigate to the corresponding points of origin.