RFC Tracker

Deprecates a batch of features in PHP 8.7 for removal in PHP 9, each item voted on separately.

Adds native immutable vec, set and tuple types as typed alternatives to arrays.

Throws a catchable MemoryError for allocations that are obviously too large, instead of a fatal error.

Lets the autoloader load an extension method's file the first time one of its methods is called, so the use extension import is all you write.

Allows the #[\Deprecated] attribute on interfaces.

Adds a fallthrough; marker to switch and warns when a non-empty case falls through to the next one without it.

Adds path segment accessors to the URI extension so paths no longer need splitting by hand.

Adds str_iter() for iterating over a string one UTF-8 code point at a time.

Makes bindec(), octdec(), hexdec() and base_convert() throw an Exception on invalid characters instead of ignoring them.

Adds Filter\Filter and Filter\Flag backed enums for typed filter IDs and flags while keeping existing integer constants and arguments working.

Adds IntlRelativeDateTimeFormatter for localized strings like "3 days ago" and "next Sunday".

Ends the PHP project's official endorsement of PEAR as a component framework and distribution system.

Adds str_mask() for masking phone numbers, card numbers and other sensitive strings.

Adds array_search_range() to search for a value within a slice of an array.

Adds a |>= operator so $x |>= trim(...) pipes a variable through a function and assigns the result back.

Function autoloading modeled on class autoloading, with no cost to calls that resolve normally.

Requires autoconf 2.71 to build PHP 8.6 from git, and MySQL 5.7.3 or MariaDB 10.2.4 for persistent connections.

Speeds up asymmetric visibility by resolving read and write access separately instead of re-checking on every write.

Lets readonly properties declare default values, so a class can meet a get-only interface property with a fixed value.

Moves docs for extensions maintained outside php-src out of the PHP manual to a separate home run by the extension maintainers.