What exactly is $_SERVER['URL'] in php? -


i have service small intranet web-application written in php. , there predefined variable $_server['url'] in use. cannot find in php documentation , cannot remember have seen before. , in test environment (php 5.4.16) parameter doesn't exist. old deprecated parameter?

$_server contains values various sources, including server environment variables. so, variable set host server env variable , php has nothing it.


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