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<?php function validateNumber($number) { try { //echo $number = (int)$number; var_dump(filter_var($number, FILTER_VALIDATE_INT)); var_dump(ctype_digit ($number)); } catch(Exception $e) { throw new PageNotAnInteger('That page number is not an integer'); } } validateNumber(123);

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35.79 ms | 402 KiB | 5 Q