Test: /ext/standard/tests/math/dechex_variation1_64bit.phpt - Version 5.4.21    

There are 2 different diffs reported by users for this test.

Count Diff
2 (67%)
016+ string(16) "ffffffffffffffff"
016- string(1) "0"
019+ string(16) "ffffffffffffffff"
019- string(1) "0"
1 (33%)
016+ string(16) "8000000000000000"
016- string(1) "0"
019+ string(16) "8000000000000000"
019- string(1) "0"