Warning: http_build_query(): Parameter 1 expected to be Array or Object (But it works)

Question

I get the following Warning:
Warning: http_build_query(): Parameter 1 expected to be Array or Object.

I know what this error represents and know why i get it, but I do not know how to fix it because the code works like a charm, so maybe you guys can help me out?

I curl a url with the following CURLOPT_POSTFIELDS:
curl_setopt( $ch, CURLOPT_POSTFIELDS, http_build_query(json_encode($data)));

The vardump of json_encode($data) =

string(57) {"transporterCode":"TNT","trackAndTrace":"3SAOLD1234567"}"

Hence the error (it is a string), however I am not allowed to change anything because then the API call will fail. Is there anything I can do (besides supress the error) to fix it?

/love

Grumpymuppet

You should pass first parameter array try this curl_setopt( $ch, CURLOPT_POSTFIELDS, http_build_query($data)); — Forge Web Design
– Forge Web Design, Commented Jun 11, 2020 at 10:27
You would expect that to work yes Forge Web Design, however it does not accept it without the json_encode. This is the message: The supplied body does not meet the required specifications. Please check the message structure for errors. — Grumpymuppet
– Grumpymuppet, Commented Jun 11, 2020 at 12:16
How would that work Berto99 with twice opening ( and once closing )? — Grumpymuppet
– Grumpymuppet, Commented Jun 11, 2020 at 12:19

Grumpymuppet · Accepted Answer · 2020-06-22 10:14:32Z

1

For anyone that has the same issue. For me it was a combination of the required post method (PUT) and the http_build_query() who was messing that up.

I ended up using:

       curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "PUT");
       curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($data));

And that fixed it.

Good luck <3

answered Jun 22, 2020 at 10:14

Grumpymuppet

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