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Question

I am using a form to \"Rate\" a page. This form \"posts\" data to a php script elsewhere. I simply want to display a link after the form is processed which will bring the us

Answer 1

Try this:

$previous = "javascript:history.go(-1)";
if(isset($_SERVER['HTTP_REFERER'])) {
    $previous = $_SERVER['HTTP_REFERER'];
}

in html:

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The JavaScript code is initialize as fallback for HTTP_REFERER variable sometimes not work.