How to concatenate variable with Curl code Php [duplicate]

Question

I want to cocatenate variable in curl code,How can i do this ? I tried with following code but not working for me,Here is my code

$id = $_POST['id'];
$type = $_POST['type'];    

$curl = curl_init();
curl_setopt_array($curl, array(
    CURLOPT_URL => "https://xxxxxxxxxxx.com",
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_ENCODING => "",
    CURLOPT_POSTFIELDS => "{\"id\":$id,\"type\":\.$type}}",
);

That would be "interpolation", not concatenation. Though json_encodeing the real structure would be better. — mario
– mario, Commented Apr 26, 2019 at 12:52

Rahul · Accepted Answer · 2019-04-26 12:53:52Z

3

You can json_encode these fields,

$temp = json_encode(['id' => $id, 'type' => $type]);

// and pass it to postfields as json encoded string which you are trying to build

    CURLOPT_POSTFIELDS => $temp

edited Apr 26, 2019 at 12:53

answered Apr 26, 2019 at 12:51

Rahul

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5 Comments

Kevin Kopf Over a year ago

the keys will be 0 and 1 in that case, which negates with what OP actually wants...

Rahul Over a year ago

Thanks mate, I made changes.

Kevin Kopf Over a year ago

Good. And now your answer precisely copies mine :D

Rahul Over a year ago

Yeah alias kind, different way.

amit Over a year ago

@RahulMeshram How can i encode following line ? CURLOPT_POSTFIELDS => "{\"amount\":2,\"currency\":\"KWD\",\"employerid\":\"123\",\"threeDSecure\":true,\"save_card\":false,\"description\":\"Test Description\",\"statement_descriptor\":\"Sample\",\"metadata\":{\"employerid\":$id,\"type\":\"test 2\"},\"reference\":{\"transaction\":\"txn_0001\",\"order\":\"ord_0001\"},\"receipt\":{\"email\":true,\"sms\":true},\"customer\":{\"first_name\":\"test\",\"middle_name\":\"test\",\"last_name\":\"test\",\"full_name\":\"test\",\"email\":\"[email protected]\",\"phone\":{\"country_code\":\"965\"}}"

Kevin Kopf · Accepted Answer · 2019-04-26 12:51:33Z

2

If you're trying to send JSON, you're better off with encoding an array with json_encode:

CURLOPT_POSTFIELDS => json_encode(["id" => $id, "type" => $type])

If you check your "{\"id\":$id,\"type\":\.$type}}" in a linter, you will see that this json is invalid. The correct json would be "{\"id\":$id,\"type\":\"$type\"}", but as I already said, use json_encode instead.

answered Apr 26, 2019 at 12:51

Kevin Kopf

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2 Comments

amit Over a year ago

,How can i encode following line ? CURLOPT_POSTFIELDS => "{\"amount\":2,\"currency\":\"KWD\",\"employerid\":\"123\",\"threeDSecure\":true,\"save_card\":false,\"description\":\"Test Description\",\"statement_descriptor\":\"Sample\",\"metadata\":{\"employerid\":$id,\"type\":\"test 2\"},\"reference\":{\"transaction\":\"txn_0001\",\"order\":\"ord_0001\"},\"receipt\":{\"email\":true,\"sms\":true},\"customer\":{\"first_name\":\"test\",\"middle_name\":\"test\",\"last_name\":\"test\",\"full_name\":\"test\",\"email\":\"[email protected]\",\"phone\":{\"country_code\":\"965\"}}"

Kevin Kopf Over a year ago

use json_encode, Amit. You seem like you do not analyse the answers, but only copy-paste them blindly :-/ Learn from what has already been posted.

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