Online PHP editor | output for k2LU5

<?php declare(strict_types = 1); namespace aaa; class Foo { public function sayHello(): void { $expectedDaysResult = [ '2019-01-04' => [ '17:00', 'evening', ], '2019-01-05' => [ '07:00', 'morning', ], '2019-01-06' => [ '12:00', 'afternoon', ], '2019-01-07' => [ '10:00', '11:00', '12:00', '13:00', '14:00', '15:00', '16:00', '17:00', 'morning', 'afternoon', 'evening', ], '2019-01-08' => [ '07:00', '08:00', '13:00', '19:00', 'morning', 'afternoon', 'evening', ], 'anyDay' => [ '07:00', '08:00', '10:00', '11:00', '12:00', '13:00', '14:00', '15:00', '16:00', '17:00', '19:00', 'morning', 'afternoon', 'evening', ], ]; $actualEnabledDays = $this->getEnabledDays(); assert(count($expectedDaysResult) === $actualEnabledDays); \PHPStan\dumpType($actualEnabledDays); } /** * @return array<string, array<int, string>> */ private function getEnabledDays(): array { return []; } } (new Foo())->sayHello();