I am unable to sort the DateOfBirth. This is the array in given below.

```
Array ( [DateOfBirth] => 17/December/1973 ) 
Array ( [DateOfBirth] => 4/June/1981 )  
Array ( [DateOfBirth] => 2/March/1980 ) 
Array ( [DateOfBirth] => 27/April/1970 ) 
Array ( [DateOfBirth] => 9/October/1979 ) 
Array ( [DateOfBirth] => 6/June/1979 )  
Array ( [DateOfBirth] => 16/October/1991 )

```

Please help me how to sort the dateofbith details. Advance thanks you.