PHP 8.0 adds support for several functions- and methods-related features, including enhanced callables, named function arguments, and Fibers, interruptible functions adding support for multitasking.

PHP 7 is able to generate cryptographically secure integers and bytes PHP 7.1 supports converting Callables to Closures Arrow (=>) functions provide a concise syntax for anonymous functions ...

The development team behind PHP 8.4 has overhauled support for HTML5 by introducing a more powerful HTML5 parsing library. Previously, the DOM parser in PHP only supported HTML 4.01 functions.