Merge branch 'PHP-7.4'

diff --cc ext/standard/tests/file/006_error.phpt
Simple merge

diff --cc ext/standard/tests/file/006_variation2.phpt
Simple merge

diff --cc ext/standard/tests/file/is_executable_variation3.phpt
Simple merge

diff --cc ext/standard/tests/file/is_readable_variation1.phpt
Simple merge

diff --cc ext/standard/tests/file/is_readable_variation3.phpt
Simple merge

diff --cc ext/standard/tests/file/is_writable_variation1.phpt
Simple merge

diff --cc ext/standard/tests/file/is_writable_variation3.phpt
Simple merge

diff --cc ext/standard/tests/file/lchown_error.phpt
Simple merge

diff --cc ext/standard/tests/file/mkdir_rmdir_variation2.phpt
Simple merge