[PHP-DOC] Question about using

[Voytsekhovskyy Alexander]

Good day.

Can you explain me, why we should write <varname>PHP_AUTH_USER</varname>
without symbol '$' and <varname>$HTTP_SERVER_VARS</varname> with it?

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Best regards,
Войцеховский Александр [young],                                         
http://young.org.ua