Readonly clones, #[Override], and json_validate: what's new in PHP 8.3
Learn about PHP 8.3 deprecations and breaking changes next: • Breaking changes in PHP 8.3!
PHP 8.3 is coming on November 23, 2023. Let's take a look at what's new; from cloning readonly properties to json_validate and stack overflow detection.
Timestamps
00:00 Intro
00:21 Cloning and overwriting readonly properties and classes
02:02 Readonly anonymous classes
02:05 Typed class constants
02:07 Dynamic class constant access
02:12 json_validate
02:33 Randomizer additions
02:48 Negative array index breaking change
03:26 The #[Override] attribute
04:18 Stack overflow detection
04:40 Other small deprecations and changes
If you want to read about all the small deprecations and changes, like DateTime exception changes, changes to the range() function, static properties in traits, and more, head over to https://stitcher.io/blog/new-in-php-83 to read all about it.