The page is available only when the Phing Support plugin is enabled. The Phing Support plugin is bundled with PhpStorm and activated by default. If the plugin is disabled, enable it on the Installed tab of the Settings/Preferences | Plugins page, as described in Managing plugins.
On this page, enable Phing integration in the current project.
Path to Phing executable
In this field, specify the location of the phing.bat file. Type the path manually or click and choose the file location in the dialog that opens.