how to sort an array according to key value of another array in php?

how to sort an array according to key value of another array in php?

Actually I have two arrays with key value pair.
1st is combine teachers_teacher
Array
(
[Kruthi] => Kruthi
[Parinitha] => Parinitha
[Sheetal] => Sheetal
[Sharada] => Sharada
[Kiran Verma] => Kiran Verma
[Ramesh] => Ramesh
[Savitha] => Savitha
[Jyothi] => Jyothi
[Vijetha] => Vijetha
)
and 2nd is combine teachers_subject
Array
(
[Kiran Verma] => So. Science
[Kruthi] => Maths
[Parinitha] => Science/E.V.S.
[Ramesh] => PT
[Savitha] => Music
[Sharada] => Hindi
[Jyothi] => Kannada
[Vijetha] => English
[Sheetal] => Computer
)
So my doubt is, i want 2nd array to be sorted according to key value of
first array. Means how to sort an 2nd array according to key value of 1st
array i.e. according to teachers_name. The result should be like:
Array
(
[Kruthi] => Maths
[Parinitha] => Science/E.V.S.
[Sheetal] => Computer
[Sharada] => Hindi
[Kiran Verma] => So. Science
[Ramesh] => PT
[Savitha] => Music
[Jyothi] => Kannada
[Vijetha] => English
)
Can anybody please help me?