What's New in PHP 8.[123]? | PHP Sussex
Derick Rethans tell us about PHP's new wonders. Derick wears many hats but many of you will know him as the author of Xdebug, PHP's most popular debugging tool. Derick is also an independent contractor and a PHP core developer.
Here is how Derick introduces his talk:
"During this presentation, we are going to look at the new features added in PHP 8.1 and PHP 8.2, and potentially in PHP 8.3.
Join me to have a look at how the type system is strengthened with Enumerations and "never", Fibers, a new closure syntax, the First Class Callable Syntax, intersection and disjunctive normal form types, readonly classes, and other smaller features."
This is your chance to catch up with PHP's latest features from someone who contributes to implementing them.
Find upcoming PHP Sussex events: https://www.meetup.com/php-sussex/
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0:24 Creating Xdebug
8:29 About Derick
9:35 Union Types
11:37 Union Types examples
12:45 Union Types rules
13:52 Readonly Properties
16:34 Readonly Amendments
18:38 Constructor Property Promotion
20:08 Object Instantiation
23:22 Enumerations
31:21 The 'never' Type
32:10 Pure Intersection Types
24:14 Array Unpacking
34:14 Array Unpacking with String Keys
35:53 First Class Callable Syntax
38:30 PHP 8.2 null and false types
39:32 PHP 8.2 true type
40:24 PHP 8.2 DNF Types
41:59 New Random extension
44:20 Deprecating Dynamic Properties
45:36 Sensitive Parameters
47:41 PHP 8.3 New Override Attribute
50:04 PHP 8.3 Typed Class Constants?
51:51 Dynamic Class Constant Fetch
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