Php Multidimentional Array

[arsen1]

I have below multidimentional array\[code\]$testarray=Array( 1 => Array ( 0 => 'A', 1 => 'B' ), 2 => Array ( 0 => 'A', 1 => 'C' ), 3 => Array ( 0 => 'A', 1 => 'C', 2 => 'D' ), 4 => Array ( 0 => 'A', 1 => 'C', 2 => 'E' ), 5 => Array ( 0 => 'X', 1 => 'Y' ), 6 => Array ( 0 => 'X', 1 => 'Y', 2 => 'Z' ), 7 => Array ( 0 => 'X', 1 => 'Y', 2 => 'ZZ' ), 8 => Array ( 0 => 'P', 1 => 'Q' ), 9 => Array ( 0 => 'P', 1 => 'Q', 2 => 'R' ), 10 => Array ( 0 => 'P', 1 => 'Q', 2 => 'R', 3 => 'S' ));\[/code\]I need to generate below array using \[code\]$testarray\[/code\] (aultidimentional array):\[code\]array(A=array(B, C=array(D,E)), X=array(Y=>array(Z,ZZ)), P=array(Q=>array(R=>array(S))\[/code\]