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<?php function validateNumber($number) { try { $number = filter_var($number, FILTER_VALIDATE_INT); if(!$number) { throw new PageNotAnInteger('That dddddpage number is not an integer'); } } catch(Exception $e) { throw new PageNotAnInteger('That page number is not an integer'); } } validateNumber('a0');

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47.43 ms | 402 KiB | 5 Q