sort functions – access class member

If you want to sort a class member with the functions uasort, uksort, usort (the u stands for user-defined comparison function) you have to take care of some things. bool uksort ( array &$array , callable $key_compare_func ) The function takes as first parameter the array you want to sort as reference. Thereby no copy is made to the function stack and any changes are directly made on… Read more →