Test: /ext/standard/tests/strings/substr.phpt - Version 5.3.17    

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

Count Diff
2 (67%)
137+ string(39) "��t��rn��ti��n��?liz��ti��n"
137- string(26) "ñtërnâtiônàlizætiøn"
1 (33%)
137+ string(31) "単t谷rn但ti担n?liz脱ti淡n"
137- string(26) "ñtërnâtiônàlizætiøn"