dlg: fix unset param warning
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@ -7,7 +7,7 @@ class Dlg extends Handler_Protected {
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if (parent::before($method)) {
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header("Content-Type: text/html"); # required for iframe
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$this->param = $_REQUEST["param"];
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$this->param = ($_REQUEST["param"] ?? false);
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return true;
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}
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return false;
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