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Showing content with the highest reputation on 08/02/2021 in Posts
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Everything you need is here... https://www.php.net/manual/en/ https://dev.mysql.com/doc/refman/5.7/en/introduction.html1 point
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This is where that ?? operator you tried earlier would come in. It will prevent that error from occurring by providing a default value if the variable isn't set. You can also avoid the if using && if you wanted, though one could argue over which is better from a readability standpoint. ($_SESSION["username"]??'') != 'admin' && exit;1 point
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