Specify whether PhpStorm should save your passwords - ones you use to access password-protected resources such as version control repositories and databases.
When you use KeePass password manager, the master password will be used to access a file that stores individual passwords. Once PhpStorm remembers your passwords, it will not ask for the passwords again including the master password unless you need to access the password database.
Under, you can configure password settings.
In native Keychain
PhpStorm displays this option for macOS and Linux only.
Select this option to use the KeePass password manager for storing your passwords.
This field displays the location of your current c.kdbx file. If you need to select another location, click and in the dialog that opens, choose the appropriate one.
Use this field to enter a password that you want to use for accessing c.kdbx file. The first time PhpStorm generates a password automatically.
Do not save, forget password after restart
Select this option if you want to remove the c.kdbx file containing individual passwords after the restart.