Create new project from scratch
Do one of the following:
On the Welcome screen, under the Quick Start section, click the link Create New Project.
On the main menu, choose.
In the Select Project Type dialog that opens, choose PHP Empty Project in the left-hand pane.
In the Location text box, specify the project name and location.
When you click Create, PhpStorm generates a project stub and opens it either in the current window or in a new one depending on your choice in the information dialog that opens:
For more information, refer to Open projects in a new or the same window.
After the project is created, set up the development environment as described in PHP development environment.