Bug: T215632
Change-Id: Id8a25f38bbb28d04c725bc0941a0ceb94aa151fd
* (T206976, T206977) Also in the bundled LocalisationUpdate and ParserFunctions extensions.
* (T206979) Fix PHP 7.3 warnings of using "compact()" when some variables may
not be set.
- * Fix PHP 7.3 warnings "preg_replace(): [...] invalid range in character class"
+ * (T215632) FormatMetadata and UploadStash regexes fixed to be PHP 7.3-compatible.
* Avoid PHP 7.2 warnings in DBConRefTest about count() on non-Countable
* Suppress "Headers already sent" in PHP 7.2 too
* (T206476) Output only to stderr in unit tests