When using Cloud IDE, you'll face issue when editing PHP files because of the auto-formatting that occurs when you begin writing PHP code. The auto-formatting will often indent lines and break up PHP code further down in the file and cause issues, and you have to undo these changes.
Resolution
You can turn-off this auto indentation feature under Settings > Preferences > Editor > Auto Indent.
Set it to none and then save your changes, using the method based on your operating system:
Cloud Platform