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maybe someone can explain to me what's wrong here? Why doesn't PHP read this array, and shows an error instead?

Warning: Undefined array key "ref" in ... on line 70

Line 70 is:

$ref = $_GET["ref"];

I want to take a variable from this input

<input type="text" name="ref" id="log"/>
ADyson
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Indonimus
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  • Are you checking that the URL contains a relevant QueryString? Like `yoursite.com?ref=1` – RiggsFolly Feb 02 '22 at 08:44
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    How are you submitting that input data to the server? A form? Some JavaScript with AJAX? Or what? And are you doing it via a GET or POST request? We can't solve your problem with the minimal information provided. – ADyson Feb 02 '22 at 09:02

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