Merge branch 'PHP-7.0' into PHP-7.1

diff --cc ext/standard/tests/file/bug71882.phpt
index ae0137b5999ae5198c777c6e759119fc76251a0b,3cb6d85240b76b9945e9bf4bdc5de326b48f65c8..c132aa95c734913adb664a4dcfea464204955c60
--- 1/ext/standard/tests/file/bug71882.phpt
--- 2/ext/standard/tests/file/bug71882.phpt
+++ b/ext/standard/tests/file/bug71882.phpt
@@@ -7,5 -7,5 +7,6 @@@ var_dump(ftruncate($fd, -1))
  ?>
  ==DONE==
  --EXPECTF--
 +Warning: ftruncate(): Negative size is not supported in %s%ebug71882.php on line %d
+ bool(false)
  ==DONE==