Source file structure
By default, PhpStorm shows all classes, methods, and other elements of the current file. To toggle the elements you want to show, click the corresponding buttons on the Structure tool window toolbar.
Click to have all the methods that override/implement the methods of a particular class/interface grouped under the node that corresponds to this class/interface.
Click to have all files included through
requirestatements shown in the tree.
Click to show class properties.
Click to show constants.
Click to have protected class members shown in the tree.
Click to have private class members shown in the tree.
Click to show inherited members.
Click to have anonymous classes shown in the tree.
Click to show lambdas.
Show class members in the Project tool window
Right-click the Project tool window title bar and select from the context menu.