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<?php declare(strict_types = 1); /** * @return list<string> */ function generateList(string $name): array { $a = ['a', 'b', 'c', $name]; $b = ['d', 'e']; array_splice($a, 2, 0, $b); return $a; } $l = generateList('John'); var_dump(array_is_list($l)); var_dump($l);
Output for git.master, git.master_jit
bool(true) array(6) { [0]=> string(1) "a" [1]=> string(1) "b" [2]=> string(1) "d" [3]=> string(1) "e" [4]=> string(1) "c" [5]=> string(4) "John" }

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