php multi-dimensional array sorting with case insensitive

php multi-dimensional array sorting with case insensitive

I have an array as below..
Array
(
[0] => Array
(
[0] => Array
(
[name] => Henry
)
)
[1] => Array
(
[0] => Array
(
[name] => jack
)
)
[2] => Array
(
[0] => Array
(
[name] => Albert
)
)
[3] => Array
(
[0] => Array
(
[name] => bunny
)
)
I need to sort this array by name in asc & desc order of case insensitive.
Please help me..