Online PHP editor | refs for b7XcPK

<?php declare(strict_types=1); /** * @param array{a: float, b: float} $params */ function f(array $params): void { mapAtan($params); } /** * @param array<array-key, float> $arr * @return array<array-key, float> */ function mapAtan(array $arr): array { $ret = []; foreach ($arr as $k => $v) { $ret[$k] = atan($v); } return $ret; } f(['a' => 0.5, 'b' => 10, 'c' => new Exception()]);