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Strip A String using explode (See related posts)

In this example, I need to strip the page's current URL to take off anything that follows a ? in that URL.

$fs_refer= $_SERVER ['REQUEST_URI'];

$fs_refer = explode("?", $fs_refer);
echo "$fs_refer[0] is now a URL without ?.
"; echo "$fs_refer[1] is the bit that used to follow the ?."; ?>

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