Insert array into another array based on if command - putting it in wrong place

Question

I have this array:

$arr = array(
    'reportDescription' => array(
        'reportSuiteID' => 'globretailprod',
        'elements' => array(
            0 => array(
                'id' => $queryElement
            )
        ),
        'metrics' => array(
            0 => array(
                'id' => $queryMetric
            )
        )
    )
);

I'm trying to insert some code into the array using an if command. This is what I have:

if (isset($querySegment)) {
    $arr['reportDescription']['segments'] = $querySegment;
}

However that gives me the wrong result, what I am trying to achieve is this:

{
                "reportDescription": {
                                "reportSuiteID": "rbsglobretailprod",
                                "dateFrom": "2018-09-09",
                                "dateTo": "2018-09-10",
                                "dateGranularity": "day",
                                "metrics": [{
                                                "id": "pageviews"
                                }],
                                "elements": [{
                                                "id": "page"
                                }],
                                "segments": [{
                                                "id": "jjj"
                                }]
                }
}

Notice there are two issues with this. Firstly, segments isn't isn't insert with an id, it's just inserted as a value. Secondly, I am a bit concerned about the trailing comma after metrics in my original array, since I need to be able to add a comma after the metrics array if I do include segments.

Use $arr['reportDescription']['segments'] = ["id" => $querySegment] — Mohammad
– Mohammad, Commented Oct 6, 2018 at 9:50
"Firstly, segments isn't isn't insert with an id, it's just inserted as a value" -> what do you mean by this? The JSON representation of an array will not show indices. If you want it as an object, you can use the JSON_FORCE_OBJECT option of json_encode. — Jeto
– Jeto, Commented Oct 6, 2018 at 9:55
Please state what your code outputs, so we can compare with what you want to accomplice — Alexios Tsiaparas
– Alexios Tsiaparas, Commented Oct 6, 2018 at 9:57

Nigel Ren · Accepted Answer · 2018-10-06 09:52:31Z

1

Just use the same format as you use for the other items to get the same structure...

if (isset($querySegment)) {
    $arr['reportDescription']['segments'] = array(
            0 => array(
                'id' => $querySegment
            )
        );
}

As for the comma, this should be added automatically as needed if your using json_encode()

answered Oct 6, 2018 at 9:52

Nigel Ren

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1 Comment

Jimmy Over a year ago

Thank you very much

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