Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
  Fix tests wrt. internationalization

diff --cc ext/pdo_pgsql/tests/bug_33876.phpt
Simple merge

diff --cc ext/pdo_pgsql/tests/copy_from.phpt
Simple merge

diff --cc ext/pdo_pgsql/tests/copy_to.phpt
Simple merge