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Editorial Team
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Asked: 2026-05-25T16:54:36+00:00

Do $_SERVER[SERVER_NAME]; and $_SERVER[DOCUMENT_ROOT]; always resolve to the same directory? Is there a scenario

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Do $_SERVER["SERVER_NAME"]; and $_SERVER["DOCUMENT_ROOT"]; always resolve to the same directory? Is there a scenario where they wouldn’t?

EDIT:

To clarify, I KNOW these are not the same thing- I’m trying to establish only whether SERVER_NAME will always map to the DOCUMENT_ROOT. i.e., if by following each of them, one will always arrive at same physical location on the servers file system.

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1 Answer

  1. Editorial Team
    • SERVER_NAME is internet vieable address – stackoverflow.com
    • DOCUMENT_ROOT is absolute URL to current directory – in server /data/stackoverflow/ …

    but yes, it DOES aim to the same directory (everytime)

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