Merge branch 'PHP-7.4'

diff --cc ext/exif/exif.c
Simple merge

diff --cc ext/ffi/ffi.c
Simple merge

diff --cc ext/reflection/php_reflection.c
Simple merge

diff --cc ext/standard/basic_functions.c
Simple merge

diff --cc ext/standard/string.c
Simple merge

diff --cc ext/tidy/tidy.c
Simple merge