enum Status
{
case draft;
case published;
case archived;
public function color(): string
{
return match($this)
{
Status::draft => 'grey',
Status::published => 'green',
Status::archived => 'red',
};
}
}
class PostData
{
public function __construct(
public readonly string $title,
public readonly string $author,
public readonly string $body,
public readonly DateTimeImmutable $createdAt,
public readonly PostState $state,
) {}
}
class PostStateMachine
{
public function __construct(
private string $state = new Draft(),
) {
}
}
$fiber = new Fiber(function (): void {
$valueAfterResuming = Fiber::suspend('after suspending');
// …
});
$valueAfterSuspending = $fiber->start();
$fiber->resume('after resuming');
Fibers, a.k.a. "green threads"
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$array1 = ["a" => 1];
$array2 = ["b" => 2];
$array = ["a" => 0, ...$array1, ...$array2];
var_dump($array); // ["a" => 1, "b" => 2]
Array unpacking also supports string keys
function foo(int $a, int $b) { /* … */ }
$foo = foo(...);
$foo(a: 1, b: 2);
function generateSlug(HasTitle&HasId $post) {
return strtolower($post->getTitle()) . $post->getId();
}
$list = ["a", "b", "c"];
array_is_list($list); // true
$notAList = [1 => "a", 2 => "b", 3 => "c"];
array_is_list($notAList); // false
$alsoNotAList = ["a" => "a", "b" => "b", "c" => "c"];
array_is_list($alsoNotAList); // false
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