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<?php class Foo { private string $foo; private array $bar; public function __construct(string $foo, array $bar) { $this->foo = $foo; $this->bar = $bar; } public function square(): array { return array_map(fn($x) => $x * $x, $this->bar); } } $foo = new Foo('hello', [1, 2, 3, 4]); print_r($foo); print_r($foo->square());
Output for git.master_jit, git.master, rfc.property-hooks
Foo Object ( [foo:Foo:private] => hello [bar:Foo:private] => Array ( [0] => 1 [1] => 2 [2] => 3 [3] => 4 ) ) Array ( [0] => 1 [1] => 4 [2] => 9 [3] => 16 )

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