Unable to find how to turn off background color for certain things in PHP(Storm)
I'm following the instructions here: https://www.jetbrains.com/help/phpstorm/code-completion.html
But I've searched through all options in the PHP colors and am not seeing anything with background color that matches these:

Note: My cursor is on the last line but __soapCall has background color no matter what.
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Hi there,
So far (if you are using Default color scheme) it looks like a Warning color -- you should see a hint over if you keep cursor over such place.
Another way -- run "Code | Inspect Code..." on this file so it will list all "issues" in a separate tool window.
That's all to confirm if that's a warning and what it says/what inspection triggers it.
If it's a Warning .. then color can be changed at "Settings/Preferences | Editor | Color Scheme | General | Errors and warnings | Warning"