How to insert an array in a json object in PHP

Question

I have a string on my databas, that I'm trying to insert into a json object as an Array, not a string..:

$arrayInString = "[2,3,5,5,6]"; // this comes from the database
$jsonObject = array('numbers' => $arrayInString);
$json = json_encode($jsonObject, JSON_UNESCAPED_SLASHES);
echo $json;

When I execute this.. my Json object is..

numbers: "[2,3,5,5,6]";

and not

numbers: [2,3,5,5,6];

Like I originally wanted.. can't get this to work, can anyone help?

Cameeob2003 · Accepted Answer · 2016-03-21 22:13:02Z

2

Like was said you need to decode the passed data from the database and then build your array output. Something like this:

    $arrayInString = "[2,3,5,5,6]"; // this comes from the database

    // decode the JSON from the database as we build the array that will be converted back to json
    $jsonObject = array('numbers' => json_decode($arrayInString));

    echo json_encode($jsonObject, JSON_UNESCAPED_SLASHES);

The slightly modified code above outputs:

{"numbers":[2,3,5,5,6]}

answered Mar 21, 2016 at 22:13

Cameeob2003

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Chris · Accepted Answer · 2016-03-21 22:01:52Z

2

You need to json_decode your $arrayInString variable before you add it to the associative array.

answered Mar 21, 2016 at 22:01

Chris

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