Edit report at https://bugs.php.net/bug.php?id=61764&edit=1
ID: 61764 Updated by: cataphr...@php.net Reported by: pgajdos at suse dot com Summary: output of unpack while 'I' used -Status: Open +Status: Assigned Type: Bug Package: Unknown/Other Function Operating System: Linux PHP Version: 5.3.10 -Assigned To: +Assigned To: cataphract Block user comment: N Private report: N New Comment: Verified. If PHP can represent the unpacked unsigned number with its integer type, it should never return a negative number. The result of pack() is correct: http://www.wolframalpha.com/input/?i=%28-30000+mod+2%5E32%29+in+hex ffff8ad0_16 $ php -r "print_r(unpack('H*', pack('I', -30000)));" Array ( [1] => d08affff ) Previous Comments: ------------------------------------------------------------------------ [2012-04-18 13:32:15] pgajdos at suse dot com Description: ------------ php -r "print_r(unpack('I', pack('I', -30000))); gives 4294937296 on s390x but -30000 on x86_64. According to manual I think correct value should be 4294937296 on x86_64. Also perl returns this number for perl -e "print unpack('I', pack('I', -30000))" for these two architectures. Or have I misunderstood something? ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=61764&edit=1