ID: 49991 User updated by: warren at guy dot net dot au Reported By: warren at guy dot net dot au Status: Bogus Bug Type: JSON related Operating System: FreeBSD 6.3 PHP Version: 5.2.11 New Comment:
I am not asking json_decode to represent a number as an integer, nor any specific type. It is detecting a numeric value and turning it in to an integer for me. It seems that if it is able to detect that it is a numeric value, perhaps it should also be aware that the numeric value is greater than the max value of the type it is about to be assigned and use a more appropriate type instead? It seems counter intuitive that JSON numeric input on a 32 bit machine should be limited to a 32 bit integer. If for some reason this limitation is required, it should be obviously documented (it is not). Side note: if I add '.0' to the end of a number, it becomes a float and can represent numbers greater than 2147483647. Previous Comments: ------------------------------------------------------------------------ [2009-10-25 22:55:03] [email protected] FWIW, it works properly on my 32 bit linux machine (debian lenny): $ php -v PHP 5.2.6-1+lenny3 with Suhosin-Patch 0.9.6.2 (cli) (built: Apr 26 2009 22:16:23) Copyright (c) 1997-2008 The PHP Group Zend Engine v2.2.0, Copyright (c) 1998-2008 Zend Technologies ------------------------------------------------------------------------ [2009-10-25 20:19:43] [email protected] How exactly would it work when max int size on 32bit is 2147483647 ? Expected behaviour -> bogus. ------------------------------------------------------------------------ [2009-10-25 16:05:03] warren at guy dot net dot au Nope, built on same machine it's running. 32 bit machine and OS. FreeBSD [redacted] 6.3-RELEASE-p11 FreeBSD 6.3-RELEASE-p11 #0: Wed Jun 10 02:25:37 UTC 2009 [email protected]:/usr/obj/usr/src/sys/GENERIC i386 ------------------------------------------------------------------------ [2009-10-25 16:00:18] [email protected] Are you cross-compiling for 32-bit, on a 64-bit system...? ------------------------------------------------------------------------ [2009-10-25 13:33:59] warren at guy dot net dot au Description: ------------ json_decode truncates numbers greater than 32 bit int 2147483647 on 32 bit system Reproduce code: --------------- <? $json_encoded = '{"test_id_small_int":12345,"test_id_maxint":2147483647,"test_id_maxint_plus_two":2147483649,"test_id_huge_int":80000000000}'; var_dump(json_decode($json_encoded)); ?> Expected result: ---------------- object(stdClass)#1 (4) { ["test_id_small_int"]=> int(12345) ["test_id_maxint"]=> int(2147483647) ["test_id_maxint_plus_two"]=> float(2147483649) ["test_id_huge_int"]=> float(80000000000) } or even strings instead of floats would work for me. Actual result: -------------- object(stdClass)#1 (4) { ["test_id_small_int"]=> int(12345) ["test_id_maxint"]=> int(2147483647) ["test_id_maxint_plus_two"]=> int(2147483647) ["test_id_huge_int"]=> int(2147483647) } ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=49991&edit=1
