php - Converting a multi-dimensional array (javascript) to JSON (or similar) for transport -

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i'm generating multi-dimensional array in javascript looks (this json representation of javascript array, it's not in json format):

"100": {  "40": {     "subtotal": "24.99",     "turn-around": {         "0": "2-4 business days",         "1": "next business day (add $15.00)"     },     "shipping": {         "0": "ups ground - $0.00",         "1": "ups 2nd day air - $14.73",         "2": "ups 3 day select - $13.13"     }  },  "41": {     "subtotal": "29.99",     "turn-around": {         "0": "2-4 business days",         "1": "next business day (add $15.00)"     },     "shipping": {         "0": "ups ground - $0.00",         "1": "ups 2nd day air - $14.73",         "2": "ups 3 day select - $13.13"     }  } }

i'm trying convert json format, can import php script. i'm using json.stringify, getting result: 

[null,null,null,null,null,null,null,null,... clip... null,null,null,null,null,null,null,null,null,[]]]

i'm pretty sure array's correct, because when dumping contents, this:

'1000' ... '41' ...     'subtotal' => "$24.00"     'tat' ...         '0' => "- choose turnaround time -"         '1' => "next business day (add $15.00)"         '2' => "2-4 business days"     'shipping' ...         '0' => "free ups ground - $0.00"         '1' => "ups 2nd day air - $12.75"         '2' => "ups 3 day select - $13.13"         '3' => "ups next day air saver - $15.32"         '4' => "ups next day air - $17.04"         '5' => "ups next day air a.m. - $71.61"

i'm not sure why json.stringify method not working. need array readable format digest in php. perhaps there's better way?

all need multi-dimensional array in javascript multi-dimensional array in php. i'm not javascript expert, real problem here.

since able send json data php, can convert using php json_decode function.


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