PHP array Sort function

Sort: This function assigns a new key name to the cell in the array. This deletes the original key name and not just the reordering.

Rsort: This function is reversed (highest to lowest) in the array. Deletes the original key name and not just the reordering.

Asort: Sorting arrays and keeping index relationships

Arsort: Reverse-sort the array and keep the index relationship

Ksort: Arrays are sorted by key name, preserving association of key names to data

Krsort: Arrays are sorted in reverse by key names, preserving the association of key names to data

Natsort: Sort alphanumeric strings and keep the existing key/value associations

Natcasesort: The same natsort sort algorithm, but not case-sensitive alphabetical sorting