Ciao a tutti,

sono un paio di giorni che cerco di capire come poter ordinare un'array del genere per valore numerico decrescente di una chiave

l'array ha questa struttura:

Codice PHP:
Array ( [de0ac7b761e47e514600341b1f0f6532] => 
                                            Array ( 
                                                    [
rowid] => de0ac7b761e47e514600341b1f0f6532 
                                                    
[id] => xxx123 
                                                    
[qty] => 
                                                    
[name] => lettino abbonzante 1 
                                                    
[options] => Array ( [sup_id] => A394FFAD-0134-463F-980E-2614F12A1FDA [sup_prod_id] => 95A2CDC0-5132-487B-B785-8CB5B5666D07 [shipPrice] => 20.00 
                                                    [
price] => 2000.00 [subtotal] => 2000 
                                                  
)
        [
eda54220f2e8708c05800f648ba07491] => 
                                            Array ( 
                                                    [
rowid] => eda54220f2e8708c05800f648ba07491 
                                                    
[id] => xxx124 
                                                    
[qty] => 
                                                    
[name] => lettino abbronzante 2 
                                                    
[options] => Array ( [sup_id] => A394FFAD-0134-463F-980E-2614F12A1FDA [sup_prod_id] => 4F6178A3-376D-4F00-9666-1B929AF0A9B2 [shipPrice] => 25.00 
                                                    [
price] => 1200.00 
                                                    
[subtotal] => 1200 
                                                   

        [
be6f0e96afbaeda40aa1e8fe36efe333] => 
                                            Array ( 
                                                    [
rowid] => be6f0e96afbaeda40aa1e8fe36efe333 
                                                    
[id] => xxx125 
                                                    
[qty] => 
                                                    
[name] => lettino abbronzante 3 
                                                    
[options] => Array ( [sup_id] => A394FFAD-0134-463F-980E-2614F12A1FDA [sup_prod_id] => 95CA6254-68B2-4739-BBE2-916B6FB7B37B [shipPrice] => 50.00 
                                                    [
price] => 1200.00 
                                                    
[subtotal] => 1200 
                                                   ) 
e la mia intenzione è quella di ordinarla per per prezzo di spedizione [shipPrice] decrescente.

come potrei fare?