How to push PHP array inside JSON file with another array [duplicate]

Question

I have a JSON file with an array called "foods". Inside this array I want to push a new object with name, type and price.

{
    "foods":[
        {
            "name": "Name1",
            "tyoe": "Type1",
            "price": "Price1"
        },
        {
            "name": "Name2",
            "type": "Type2",
            "price": "Price2"
        }
    ]
}

The logic is:
I receive from $_POST a name, type and price. (I'ts a simple form -- it's working ok)
So I want to push these data with PHP inside the "foods" array in JSON file. The result would be like this:

{
    "foods":[
        {
            "name": "Name1",
            "tyoe": "Type1",
            "price": "Price1"
        },
        {
            "name": "Name2",
            "type": "Type2",
            "price": "Price2"
        },
        {
            "name": "NAME3",
            "type": "TYPE3",
            "price": "PRICE3"
        }
    ]
}

Wrong example that I'm trying to fix it:

$name = $_POST['name'];
$type = $_POST['type'];
$price = $_POST['price'];

//Do I need to create this array to push inside JSON array "foods"?
$arrayFoods = array(        
    'name' => $name,
    'type' => $type,
    'price' => $price
);

$my_file = file_get_contents('database/file.json');

//Do I need to decode the JSON file to access the array "foods" to push my $arrayFoods? 
//How do I access the "foods" array in JSON file and push my $arrayFoods?
$fileDecode = json_decode($my_file);

Thanks!

$fileDecode = json_decode($my_file, true); $fileDecode[] = $arrayFoods; — splash58
– splash58, Commented Jan 14, 2016 at 17:21
but how do I access the array called "foods" inside JSON File? — Victor
– Victor, Commented Jan 14, 2016 at 17:26

Eric · Accepted Answer · 2016-01-14 19:46:32Z

1

Following what you have done

$food = new stdClass;
$food->name = $name;
$food->type = $type;
$food->price = $type;
$my_file = file_get_contents('database/file.json');
$fileDecode = json_decode($my_file);
array_push($fileDecode->foods, $food);
//to save
file_put_contents('database/file.json', json_encode($fileDecode));

edited Jan 14, 2016 at 19:46

answered Jan 14, 2016 at 18:13

Eric

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9 Comments

I wrestled a bear once. Over a year ago

can't push an array onto an object.

Eric Over a year ago

what are you talking about?

Eric Over a year ago

so you spam a bunch of crap, make a semi work around my answer, post your answer and downvote me? WTF are you kid?

Eric Over a year ago

please post your decoded json file with var_dump($fileDecode)

Victor Over a year ago

Oh yea! It worked! But when I push, the data don't save in the file?

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