How to make a full copy of an array in PHP: assignment operator vs clone

Hello colleagues! I'm a beginner in PHP and encountered an unclear situation. I have an array with user data: ```php $users = [ ['name' => 'Ivan', 'age' => 25], ['name' => 'Maria', 'age' => 30] ]; ``` I need to create its full copy so that I can modify data in the copy without affecting the original. I tried simple assignment: ```php $usersCopy = $users; $usersCopy[0]['name'] = 'Petr'; print_r($users[0]['name']); // Output "Petr", but I expected "Ivan"! ``` Why did the original change? I thought that in PHP arrays are copied on assignment. I tried using `clone`: ```php $usersCopy = clone $users; // But clone only works with objects, gives an error for arrays ``` Also I read about `array_copy()`, but such a function doesn't exist in PHP. Please tell me how to properly