note 119138 added to function.is-int

If you want detect integer of float values, which presents as pure int or float, and presents as string values, use this functions: <?php function isInteger($val) { if (!is_scalar($val) || is_bool($val)) { return false; } if (is_float($val + 0) && ($val + 0) > PHP_INT_MAX) { return false; } return is_float($val) ? false : preg_match('~^((:?+|-)?[0-9]+)$~', $val); } function isFloat($val) { if (!is_scalar($val)) { return false; } return is_float($val + 0); } foreach ([ '11111111111111111', 11111111111111111, // > PHP_INT_MAX - presents in PHP as float 1, '10', '+1', '1.1', 1.1, .2, 2., '.2', '2.', '-2.', '-.2', null, [], true, false, 'string' ] as $value) { echo $value . ':' . gettype($value) . ' is Integer? - ' . (isInteger($value) ? 'yes' : 'no') . PHP_EOL; echo $value . ':' . gettype($value) . ' is Float? - ' . (isFloat($value) ? 'yes' : 'no') . PHP_EOL; } ?> ---- Server IP: 84.234.75.250 Probable Submitter: 158.255.80.214 ---- Manual Page -- http://php.net/manual/en/function.is-int.php Edit -- https://master.php.net/note/edit/119138 Del: integrated -- https://master.php.net/note/delete/119138/integrated Del: useless -- https://master.php.net/note/delete/119138/useless Del: bad code -- https://master.php.net/note/delete/119138/bad+code Del: spam -- https://master.php.net/note/delete/119138/spam Del: non-english -- https://master.php.net/note/delete/119138/non-english Del: in docs -- https://master.php.net/note/delete/119138/in+docs Del: other reasons-- https://master.php.net/note/delete/119138 Reject -- https://master.php.net/note/reject/119138 Search -- https://master.php.net/manage/user-notes.php