PHP中的json_decode，具有多个相同的名称但值不同

Question

I am trying to decode a json data set with many entires that have the same names but are paired with multiple different values.

Example:

{"id":"XXX",
"price":"XXX",
"size":"XXX",
"id":"YYY",
"price":"YYY",
"size":"YYY"}

I have no problem building an array when there is only one value for each name by doing this:

$array = json_decode($array4,true);

PHP array:

  array(3) { 
["id"]=> string(3) "XXX" 
["price"]=> string(3) "XXX" 
["size"]=> string(3) "XXX" 
}

but when I try to use the whole file which contents ~4000 different values with paired between ~4 names I get a response of NULL when I want the json_decode to be something like:

   array(3) { 
["id"]=> string(3) ("XXX","YYY") 
["price"]=> string(3) ("XXX","YYY") 
["size"]=> string(3) ("XXX","YYY") 
}

Can anyone help?

Answer 1

Update: I needed to built the json input correctly. Like below:

{"data":[
{"id":"XXX","price":"XXX","size":"XXX"},
{"id":"YYY","price":"YYY","size":"YYY"}]
}

Then json_decode works great.