Class Diagram Toolbar, Context Menu and Legend

For information on how to use the UML class diagram, refer to Working with Diagrams.

Item	Description
	Click this button to show fields in the class nodes.
	Click this button to show constructors in the class nodes.
	Click this button to show methods in the class nodes.
	Click this button to enable creating extends or implements links between node elements. If this button is not pressed, links cannot be drawn.
	Click this button to increase the scale of the diagram, or press `NumPad+`.
	Click this button to decrease the scale of the diagram, or press `NumPad-`.
	Click this button to restore the actual size of the diagram.
	Click this button to make the contents fit into the current diagram size.
	Click this button to apply the current layout, selected from the context menu of the diagram, or press `F5`.
	Click this icon to export a diagram using various formats, which are compatible with third-party tools, to a file, to an image, or open the diagram in the browser. You can select and configure the following options: : click this button to select a third-party editor to which you can export the diagram. : click this button to save the current diagram as a file. You can use one of the available formats from the list. : click this button to save the diagram to a clipboard using one of the available formats. : click this button to print the diagram.
	Click this button to refresh the whole diagram.
	Click this button to open the Diagram settings where you can configure additional options.

This section describes only those context menu commands that are not available from the toolbar.

Item	Shortcut	Description
Select Element Actions		Use this option to open a list of actions that is applied to a selected element in the diagram. You can select actions to copy an element, jump to its source, find its usages, use the go to actions, various Git actions, and so on.
Content		Use this option to open a list of actions that help you to add new elements, show dependencies, sort elements inside the diagram, and so on. Add class to diagram (`Space`): Choose this command to add existing class to the diagram background. New (`Alt+Insert`): Choose this command to create a new node element or member. Show Categories: Choose this command to show the selected code element in the class nodes. For example, you can select Fields to see all the field elements in the classes. The rest of the commands in the list are available in the toolbar.
Show Implementations	`Ctrl+Alt+B`	Choose this command to display impliminations of the selected class.
Show Parents	`Ctrl+Alt+P`	Choose this command to display parent classes for the selected class.
Collapse nodes	`C`	Choose this command to show the containing package of the selected node.
Expand nodes	`E`	Choose this command to show class diagram of the selected package.
Refactor		Point to this node to select one of the refactoring commands available in this context.
Analyze Graph		Use this node to select one of the commands to analyze a diagram.
Jump to Source	`F4`	Choose this command to open the selected diagram node element in the editor.
Find Usages	`Alt+F7`	Choose this command to search for usages of the selected node element.
Layout		Select the desired diagram layout from the submenu.
Show Edge Labels		Check this command to show multiplicities in diagram.

Legend of the Class Diagram

PhpStorm follows the UML conventions in showing relationships between the classes.

Besides that, PhpStorm supports the following colors and arrows:

Item	Description
	The green arrow corresponds to the `implements` clause in a class declaration.
	The blue arrow corresponds to the `extends` clause in a class declaration.

Last modified: 13 May 2022