En 2024, des chercheurs d'Oxford ont enfin recalibré les données brutes de Voyager 2 grâce à Hubble et au VLT.
Révélation : Neptune est en réalité d'un bleu cyan très pâle, quasiment identique à Uranus !
Voici sa vraie couleur ⬇️
Frédéric Bouchery
@bouchery.fr
555 followers 238 following 401 posts
#Software #architect, team leader, #speaker and #PHP evangelist. I'm open to proposals for talks, #conferences, articles, podcasts, on #pragmatic #development, complexity, software #methodologies and so.
![<?php
$a = [1 => 2, 0 => 4];
foreach ($a as $value) {
echo $value;
}](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:o2wr73b63nlwi6ssjc4vatbn/bafkreidcmmcp7r5hjfv3xzea73jfrrd2ntw43zyybfw6suwbehfih5afry)
![<?php
readonly class Foo {
public function __construct(
public array &$array
) {}
}
$array = [];
$foo = new Foo($array);
$array[] = 42;
var_dump($foo);](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:o2wr73b63nlwi6ssjc4vatbn/bafkreibia3rcnv5uoo7scbu5l2prniw5camrkujknnfau74bvb2wjx3wqa)
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$a = [];
unset($a['foo']);
var_dump(count($a));](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:o2wr73b63nlwi6ssjc4vatbn/bafkreih2d4jdke34kmqnxjhtpj3mn6cghqb6icsozzxn7kuufjxni4a5h4)
![<?php
declare(strict_types=1);
class Foo {
private int $m = 3;
public function bar(): void {
$self = $this;
$f = static function(int $x) use ($self): float {
return $x * $self->m;
};
echo array_map($f, ['2'])[0];
}
}
(new Foo())->bar();](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:o2wr73b63nlwi6ssjc4vatbn/bafkreifrdubibmxr4qzhjlbh5itpmbwbqhjxxouczngnvwib3wc45py2bu)
