How to sort a two-dimensional array by the value of one of the columns in PHP?

Hello everyone! I'm a beginner in PHP and encountered a task that stumped me. I have a two-dimensional array (multidimensional) that contains user data. Here's an example: ```php $users = [ ['name' => 'Ivan', 'age' => 25, 'salary' => 50000], ['name' => 'Maria', 'age' => 30, 'salary' => 60000], ['name' => 'Petr', 'age' => 22, 'salary' => 45000], ['name' => 'Anna', 'age' => 28, 'salary' => 55000] ]; ``` I need to sort this array by age (`age`) in ascending order, so that the youngest users come first. I tried using `sort()`, `asort()`, and `ksort()`, but they only work with one-dimensional arrays and simply shuffle rows or keys without sorting by the internal field. I also read about `array_multisort()`, but didn't understand how