3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Code { public function __construct( public string $value ) {} } function create_code(int $number): Code { $code = "A-$number"; return new Code($code); } $list = [1,2,3,4]; $filteredObjects = array_map( create_code(...), array_filter($list, fn(int $number) => $number >= 3) ); print_r($filteredObjects);
Output for 8.2.29, 8.3.5 - 8.3.26, 8.4.6 - 8.4.13
Array ( [2] => Code Object ( [value] => A-3 ) [3] => Code Object ( [value] => A-4 ) )

preferences:
52.57 ms | 406 KiB | 5 Q