Bug #51274 [Com]: Integer overflow does not cast as float
[email protected] ("ssufficool at gmail dot com")
| Newsgroups | php.bugs |
|---|---|
| Message-ID | <[email protected]> |
Edit report at http://bugs.php.net/bug.php?id=51274&edit=1 ID: 51274 Comment by: ssufficool at gmail dot com Reported by: cduncan at regatta dot com Summary: Integer overflow does not cast as float Status: Open Type: Bug Package: *General Issues Operating System: Linux PHP Version: 5.3.2 New Comment: 64 bit ubuntu 10.04 PHP 5.3 SVN: int(2147483647) int(2147483648) 32 bit machine and OS PHP 5.2.10: int(2147483647) float(2147483648) Previous Comments: ------------------------------------------------------------------------ [2010-03-11 19:05:31] cduncan at regatta dot com 64bit machine, 32bit OS. Also, wouldn't we expect a 64bit to return: int(2147483647) int(2147483648) ------------------------------------------------------------------------ [2010-03-11 17:58:30] [email protected] Could it possibly be that you're running this on 64bit machine? :) ------------------------------------------------------------------------ [2010-03-11 15:15:38] cduncan at regatta dot com Description: ------------ The manual (http://php.net/manual/pl/language.types.integer.php) includes the following segment to cover integer overflow: <?php $large_number = 2147483647; var_dump($large_number); // output: int(2147483647) $large_number = 2147483648; var_dump($large_number); // output: float(2147483648) ?> However when I try this on my recently upgraded server they are both output as int(2147483647) Test script: --------------- $large_number = 2147483647; var_dump($large_number); $large_number = 2147483648; var_dump($large_number); Expected result: ---------------- I expect to see; int(2147483647) float(2147483648) As I do on my box running 5.3.1 Actual result: -------------- int(2147483647) int(2147483647) ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/bug.php?id=51274&edit=1