How to sort two-dimensional arrays in PHP

How to sort two-dimensional arrays in PHP is like a question, because this employee array is processed after it is obtained from the database, rather than directly retrieved, so it cannot be sorted using mysql statements, this array is a two-dimensional array for storing records, which requires sorting by different fields. in php, multisort cannot be used directly. it seems that there is no such thing as how to sort two-dimensional arrays in PHP.
For example, because this employee array is processed after it is retrieved from the database, it is not directly retrieved, so it cannot be sorted using mysql statements, this array is a two-dimensional array for storing records, which requires sorting by different fields. in php, multisort cannot be used directly. it seems that there is no matrix conversion function. So how to sort and solve this array

------ Solution --------------------
Two steps
1. extract the members from the original array as the sort key and put them in the new array. This is equivalent to indexing.
2. sort the two arrays by array_multisort.