A correct Phing build file is an xml file with the root element <project>. Build files are created outside the Phing Build tool window and are normally stored under your PHP project root folder.. Find more about writing Phing build files in Phing Getting Started.
In this section:
- Open the Phing Build tool window.
- To add a build file to the list, click the Add button on the toolbar and choose the required .xml build file in the Select Phing Build File dialog box, that opens.
- To remove a build file from the list, select the file and click the Remove button on the toolbar.
- To navigate to the source code of a build file, select the desired file and choose Jump to Source on the context menu of the selection.