PHP Post Request (CURL, JSON) not Working

Question

I come humbly before great developers with this issue of mine. Sending a post request in JSON format to Firebase. Here's my code

$token = $_SESSION['token'];
$data = array(
    'id' => 156,
    'quizName' => $quizName,
    'numberOfQuestions' => $numberOfQuestions, 
    'isTimed' => true,                         
    'numberOfMinutesToComplete' => $numberOfMinutesToComplete,
    'targetedClass' => 'Js One',
    'subject' => $subject_name,
    'schoolLevel' => $schoolLevel,
    'questions' => array('question' => $question, 'questionMark' => $marks, 
        'options' => array('option' => 'A', 'answer'=> $optionA, 'option' => 'B', 'answer'=> $optionB, 'option' => 'C', 'answer' => $optionC, 'option' => 'D', 'answer' => $optionD, 'option' => 'E', 'answer' => $optionE),
        'hasImage' => true,
        'images' => array('images-1' => 'image-1', 'images-2' => 'image-2'),
        'correctionOption' => $correct_option
    ),
    'totalValidMarks' => $totalValidMarks,
    'validUntil' => $validUntil
);

// API URL
$url = ' ';
// Create a new cURL resource
$ch = curl_init( $url );
# Setup request to send json via POST.
$payload = json_encode( array( "customer"=> $data ) );
curl_setopt( $ch, CURLOPT_POSTFIELDS, $payload );
curl_setopt( $ch, CURLOPT_HTTPHEADER, array('x-access-token:'.$token, 'Content-Type:application/json'));
# Return response instead of printing.
curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true );
# Send request.
$result = curl_exec($ch);
curl_close($ch);
# Print response.

echo "<pre>$result.</pre>";

But I'm receiving an error:

"details":[{"message":"\"id\" is required","path":["id"],"type":"any.required","context":{"label":"id","key":"id"}}]}

Can you please link to the API documentation? Is there no PHP SDK that you could be using instead of cURL? — Phil
– Phil, Commented Apr 29, 2020 at 23:23
That depends on which Firebase service you're trying to use which is why I asked for a link to the documentation — Phil
– Phil, Commented Apr 30, 2020 at 0:55

Ahmed Moayad AlMoghrabi · Accepted Answer · 2020-04-29 23:50:47Z

2

Please try sending like this:

    $params = $myDataArray;
    $data_string = json_encode($params);
    $curl = curl_init();
    curl_setopt_array($curl, array(
        CURLOPT_URL => $toEndPoint,
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_ENCODING => "",
        CURLOPT_MAXREDIRS => 10,
        CURLOPT_TIMEOUT => 30,
        CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
        CURLOPT_CUSTOMREQUEST => "POST",
        CURLOPT_POSTFIELDS => $data_string,
        CURLOPT_HTTPHEADER => array(
            "x-access-token: $token",
            "cache-control: no-cache",
            "content-type: application/json",
        ),
    ));

    $response = curl_exec($curl);
    $err = curl_error($curl);
    curl_close($curl);
    if ($err) {
        echo "cURL Error #:" . $err;
    } else {
        echo $response;
    }
    exit;

answered Apr 29, 2020 at 23:50

Ahmed Moayad AlMoghrabi

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10 Comments

Godlovesme Over a year ago

Thanks, no more errors but the data is not posting into firebase. how can I add content-length header?

Ahmed Moayad AlMoghrabi Over a year ago

If you are posting data curl with CURLOPT_POSTFIELDS. Then curl will automatically add the length of the data with the header. **this is mentioned in here when CURLOPT_HTTPHEADER need Content-Length

Godlovesme Over a year ago

It's still not posting. Do you think there's a problem with my $data array?

Godlovesme Over a year ago

Its actually throwing an error : questions must be an array

Ahmed Moayad AlMoghrabi Over a year ago

Did you try to post this data to a url you host to validate if it is really posting or not? in my end point everything works fine

|

Ahmed Moayad AlMoghrabi · Accepted Answer · 2020-06-13 08:37:06Z

@godlovesme, to answer for your latest comment:

I don't really like using While loops as they can easily let you fall in an endless loop, but you get what you ask for:

$i = 0;
$questionsArrFormatted = [];
while ($i < count($questionsArr)) {
    $hasImage = count($questionsArr[$i]['question']) ? true : false;
    $questionsArrFormatted[$i] = [
        'question' => $questionsArr[$i]['question'],
        'questionMark' => $questionsArr[$i]['marks'],
        'options' => $questionsArr[$i]['options'], // options should be an array formatted like in your question
        'hasImage' => $hasImage,
        'images' => $questionsArr[$i]['images'],
        'correctionOption' => $questionsArr[$i]['correct_answer']
    ];
    $i++;
}

$data = array(
    'id' => 156,
    'quizName' => $quizName,
    'numberOfQuestions' => $numberOfQuestions,
    'isTimed' => true,
    'numberOfMinutesToComplete' => $numberOfMinutesToComplete,
    'targetedClass' => 'Js One',
    'subject' => $subject_name,
    'schoolLevel' => $schoolLevel,
    'questions' => $questionsArrFormatted,
    'totalValidMarks' => $totalValidMarks,
    'validUntil' => $validUntil
);

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