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Basics

Sometimes you might need to exclude a single file from your project, so that it will be ignored by inspections, code completion, etc. This is done using the Mark as plain text action.

When a file is marked as plain text, IntelliJ IDEA does not use it anymore for code completion and navigation. Such file is shown as plain text in the editor, and is denoted with a special icon images/plain_text_icon.png in the Project tool window.

This action is not applicable to Java files and binaries.

The reverse action is also available: you can return a file to its original type, using the Mark as <file type> action.

In the context of a PHP project, you can also exclude entire PHP archives (.phar files) to prevent multiple declaration conflicts between classes in a .phar archive and the corresponding classes in the installed vendors directory.

Marking a file as plain text

To mark a file as plain text, follow these steps
  1. In the Project tool window, select the desired file.
  2. On the context menu of the selection, choose Mark as plain text:

    images/mark_as_plain_text.png

Marking a file with its regular type

To mark a file with its regular type, follow these steps
  1. In the Project tool window, select the desired file, marked with images/plain_text_icon.png icon.
  2. On the context menu of the selection, choose Mark as <file type>:

    images/mark_as_file_type.png

Excluding a .phar archive from a project

To exclude a .phar archive from a project
  • In the Project tool window, select the required .phar archive and choose Exclude phar from project on the context menu of the selection.