Problems with multidimensional array sorting

$array = Array (
' 123456 ' =>array (' aa ', ' BB ', ' cc '),
' 12345645 ' =>array (' AA ', ' cc '),
' 1234564555 ' =>array (' AA ', ' DD ', ' cc ', ' BB '),
' 12364555 ' =>array (' AA ', ' DD ', ' CC '),
);

How to row by the length of the sub-array, I want the result is

$array = Array (
' 12345645 ' =>array (' AA ', ' cc '),
' 123456 ' =>array (' aa ', ' BB ', ' cc '),
' 12364555 ' =>array (' AA ', ' DD ', ' CC '),
' 1234564555 ' =>array (' AA ', ' DD ', ' cc ', ' BB '),

);

Reply to discussion (solution)

$array = Array ('  123456 ' =>array (' aa ', ' BB ', ' cc '),  ' 12345645 ' =>array (' AA ', ' cc '),  ' 1234564555 ' = >array (' AA ', ' DD ', ' cc ', ' BB '),  ' 12364555 ' =>array (' AA ', ' DD ', ' cc '), foreach ($array as $i + $v) {  $r [ ] = count ($v);  $k [] = $i;} Array_multisort ($r, $k, $array);p Rint_r (Array_combine ($k, $array));

Array (    [12345645] = = Array        (            [0] = AA            [1] = cc        )    [123456] = = Array        (            [0] = = AA            [1] = BB            [2] = cc        )    [12364555] = = Array        (            [0] = AA            [1] = DD            [2] =&G T CC        )    [1234564555] = Array        (            [0] = AA            [1] = DD            [2] = = CC            [3] = bb< c29/>))

