ignitae Academy

PHP 8.4 Deep Dive

Property hooks, asymmetric visibility, array_find and friends, lazy objects and generators: the newest PHP, with runnable exercises.

Syllabus

Property hooks

Property hooks: getters and setters without the boilerplate
Property hooks: retire the getters and setters (exercise)

Asymmetric visibility

public private(set): readable everywhere, writable here
Asymmetric visibility: a Wallet without getters (exercise)

New array functions

array_find, array_any, array_all and first-class callables
array_find, array_any, array_all: an order report (exercise)

Lazy objects

Lazy ghosts and proxies: defer the expensive part until it is touched
Lazy objects: a ghost and a proxy that prove they are lazy (exercise)

Generators

Generators: streams that never build the whole array
Generators: a lazy pipeline toolkit (exercise)