. ext/yp (Jani, Derick)
- Added additional fifth parameter count to preg_replace_callback() and
preg_replace() to count the number of replacements made. FR #32275. (Andrey)
+- Added additional third string parameter charlist to str_word_count() which
+ contain characters to be considered as word part. FR #31560 (Andrey)
- Changed stream_filter_(ap|pre)pend() to return resource. (Sara)
- Changed mysqli_exception and sqlite_exception to use RuntimeException as base
if SPL extension is present. (Georg, Marcus)