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public php v1 · immutable<?phperror_reporting(ALL);$num = $_GET['num'];if (!is_numeric($num)) die("Error: not a valid picture name");$newnum = $num++;echo $newnum;?><?phperror_reporting(ALL);$num = $_GET['num'];if (!is_numeric($num)) die("Error: not a valid picture name");$newnum = $num++;echo $newnum;?>