Laravel Collection Macro for Reading a CSV file into a Collection

getcsvmacro.php

<?php

Collection::macro('getcsv', static function (string $file): Collection {
    $resource = fopen($file, 'rb');
    $result = new Collection();
    $header = fgetcsv($resource);
    while (($line = fgetcsv($resource)) !== false) {
        $result->add($line);
    }
    fclose($resource);
    return $result;
});