PHP: Arrow Functions und callbacks

Erstellen

$books = [
[
'name' => 'Do Androids Dream of Electric Sheep',
'author' => 'Philip K. Dick',
'releaseYear' => 1968,
],
[
'name' => 'Project Hail Mary',
'author' => 'Andy Weir',
'releaseYear' => 2021,
],
[
'name' => 'The Martian',
'author' => 'Andy Weir',
'releaseYear' => 2011,
],
];

Nutzen

$wishedAuthor = "Andy Weir";
$filtered = array_filter($books, fn($book) => $book["author"] === $wishedAuthor);