extract values from an array that contain key and values separated by any symbol like ,

I have an array like below all values are dynamically generated

array(      
[education_provider_state]=>Arunanchal Pradesh,Assam        
[e_p_coeducational_type]=>Co-Ed,Girls       
)

i want output like

array(      
[education_provider_state]=>array([0]=>Arunanchal Pradesh[1]=>Assam         
[e_p_coeducational_type]=>array([0]=>Co-Ed[1]=>Girls        
)

I want to get the values of key and values of corresponding key.
How can I achieve this Please somebody help me . Thank You