Test: /ext/standard/tests/strings/substr_compare.phpt - Version 5.6.37    

There are 3 different diffs reported by users for this test.

Count Diff
34 (89%)
006+ int(-65793)
006- int(-1)
3 (8%)
006+ int(-2)
006- int(-1)
1 (3%)
006+ int(-8421377)
006- int(-1)