pack for 64bits integer is broken on bigendian

 [2014-12-02 07:37 UTC] remi@php.net

Description:
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Pack doesn't produce correct output for 64bits integer


Test script:
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php -r 'print_r(pack("Q", 0xfffffffffffe));' | hexdump -C


Expected result:
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00000000  00 00 ff ff ff ff ff fe                           |........|
00000008


Actual result:
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00000000  ff ff ff fe 00 00 00 00                           |........|
00000008