title = $title;
$this->status = $status;
}
}
PHP,
after: <<<'PHP'
readonly class BlogData
{
public string $title;
public Status $status;
public function __construct(string $title, Status $status)
{
$this->title = $title;
$this->status = $status;
}
}
PHP,
),
new FeatureComparison(
id: 'dnf_types',
title: message('dnf_types_title', $lang),
description: message('dnf_types_description', $lang),
links: [
'RFC|https://wiki.php.net/rfc/dnf_types',
message('documentation', $lang) . "|/manual/$lang/migration82.new-features.php#migration82.new-features.core.type-system",
],
before: <<<'PHP'
class Foo {
public function bar(mixed $entity) {
if ((($entity instanceof A) && ($entity instanceof B)) || ($entity === null)) {
return $entity;
}
throw new Exception('Invalid entity');
}
}
PHP,
after: <<<'PHP'
class Foo {
public function bar((A&B)|null $entity) {
return $entity;
}
}
PHP,
),
new FeatureComparison(
id: 'null_false_true_types',
title: message('null_false_true_types_title', $lang),
description: '',
links: [
'RFC|https://wiki.php.net/rfc/null-false-standalone-types',
'RFC|https://wiki.php.net/rfc/true-type',
],
before: <<<'PHP'
class Falsy
{
public function almostFalse(): bool { /* ... */ *}
public function almostTrue(): bool { /* ... */ *}
public function almostNull(): string|null { /* ... */ *}
}
PHP,
after: <<<'PHP'
class Falsy
{
public function alwaysFalse(): false { /* ... */ *}
public function alwaysTrue(): true { /* ... */ *}
public function alwaysNull(): null { /* ... */ *}
}
PHP,
),
new FeatureComparison(
id: 'random_extension',
title: message('random_title', $lang),
description: message('random_description', $lang),
links: [
'RFC|https://wiki.php.net/rfc/rng_extension',
'RFC|https://wiki.php.net/rfc/random_extension_improvement',
message('documentation', $lang) . "|/manual/$lang/book.random.php",
],
before: '',
after: <<<'PHP'
use Random\Engine\Xoshiro256StarStar;
use Random\Randomizer;
$blueprintRng = new Xoshiro256StarStar(
hash('sha256', "Example seed that is converted to a 256 Bit string via SHA-256", true)
);
$fibers = [];
for ($i = 0; $i < 8; $i++) {
$fiberRng = clone $blueprintRng;
// Xoshiro256**'s 'jump()' method moves the blueprint ahead 2**128 steps, as if calling
// 'generate()' 2**128 times, giving the Fiber 2**128 unique values without needing to reseed.
$blueprintRng->jump();
$fibers[] = new Fiber(function () use ($fiberRng, $i): void {
$randomizer = new Randomizer($fiberRng);
echo "{$i}: " . $randomizer->getInt(0, 100), PHP_EOL;
});
}
// The randomizer will use a CSPRNG by default.
$randomizer = new Randomizer();
// Even though the fibers execute in a random order, they will print the same value
// each time, because each has its own unique instance of the RNG.
$fibers = $randomizer->shuffleArray($fibers);
foreach ($fibers as $fiber) {
$fiber->start();
}
PHP,
),
new FeatureComparison(
id: 'constants_in_traits',
title: message('constants_in_traits_title', $lang),
description: message('constants_in_traits_description', $lang),
links: [
'RFC|https://wiki.php.net/rfc/constants_in_traits',
message('documentation', $lang) . "|/manual/$lang/migration82.new-features.php#migration82.new-features.core.constant-in-traits",
],
before: '',
after: <<<'PHP'
trait Foo
{
public const CONSTANT = 1;
}
class Bar
{
use Foo;
}
var_dump(Bar::CONSTANT); // 1
var_dump(Foo::CONSTANT); // Error
PHP,
),
new FeatureComparison(
id: 'deprecate_dynamic_properties',
title: message('deprecate_dynamic_properties_title', $lang),
description: message('deprecate_dynamic_properties_description', $lang),
links: [
'RFC|https://wiki.php.net/rfc/deprecate_dynamic_properties',
message('documentation', $lang) . "|/manual/$lang/migration82.deprecated.php#migration82.deprecated.core.dynamic-properties",
],
before: <<<'PHP'
class User
{
public $name;
}
$user = new User();
$user->last_name = 'Doe';
$user = new stdClass();
$user->last_name = 'Doe';
PHP,
after: <<<'PHP'
class User
{
public $name;
}
$user = new User();
$user->last_name = 'Doe'; // Deprecated notice
$user = new stdClass();
$user->last_name = 'Doe'; // Still allowed
PHP,
),
];
echo ReleasePage::getHeroSection(
title: message('main_title', $lang),
subtitle: message('main_subtitle', $lang),
logoSvg: <<
SVG,
upgradeNow: message('upgrade_now', $lang),
);
echo ReleasePage::getFeatureComparisons($comparisons, 'PHP 8.2', 'PHP < 8.2');
?>
false]);