Build query string with indexed array data

Question

I pass my function an object that contains some answers. I then do the following to create an associative array

$field_data = array();
foreach($submission->answers as $answer) {
    $field_data[$answer->question_id] = $answer->text + 1;
}

This results in array like so

array:15 [▼
  1 => 3
  2 => 4
  3 => 2
  4 => 5
]

What I need to do is build an API call using the above data. The API URL would look something like this

someAPI.com?api.php?function=calculatePrice&question1=3&question2=4&question3=2&question4=5

Where the question number is the value on the left side of the array, and the part after the = sign is the value on the right of the array.

What would be the best way to create this URL using the array I have?

Thanks

Possible duplicate of PHP function to build query string from array - not http build query — Bud Damyanov
– Bud Damyanov, Commented May 15, 2017 at 12:53

Agam Banga · Accepted Answer · 2017-05-15 12:45:48Z

7

This can be achieved with the http-build-query method itself of php. The second param accepts the prefix to prepend to the key. The key should be of numeric type

You can use the http-build-query like this in your case

http_build_query($field_data, 'question');

answered May 15, 2017 at 12:45

Agam Banga

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