Welcome to PhpStorm help!
PhpStorm brings you the following advanced features:
Error-Free Coding: on-the-fly code analysis, error highlighting and quick fixes.
Project and Code Navigation: specialized project views, file structure views and quick navigation between files, classes, methods and usages.
VCS Integrations: out-of-the-box support for Subversion, Perforce, Git, and CVS with changelists and merge.
FTP Sync: update server using FTP or SFTP.
SQL support: coding assistance, SQL console and Database browser.
Before starting with PhpStorm, take a look at the essentials since they are useful for more productive usage of PhpStorm.
If you click Help button in a dialog, you will see the reference page that gives descriptions of controls and fields of each dialog.
Finally, the part Getting Help tells about using help topics, applying to support service, reporting issues and sharing your feedback.
For advanced users
For those who want to learn more about PhpStorm, the topics in the General Guidelines part provides information about creating projects, configuring their structure, using version control systems, etc. From the part Development Environment you will learn how to configure deployment to remote servers and how to work with Docker images or Vagrant boxes from inside PhpStorm.