I am not getting expected response from Curl request in PHP

Question

I have a curl request which is working fine in https://reqbin.com/ and in the Postman but when I implement same in PHP it is not working; Below is plain CURL command;

curl -X POST \ 'http://example.com' \ -H 'content-type: application/json' \ -d '{"Header": {"Token": "xyz"}, "Body": {"Email": "[email protected]", "FirstName": "test", "Surname": "test"}}'

The response I am getting from this is;

{"Header":{"Status":"OK"},"Body":{"BackUrl":"https:example.com","Redirect":"YES"}}

But when I implement same in PHP as;

$curl = curl_init(); $headers = array( "content-type: application/json" ); $postData = '{"Header": {"Token": "xyz"}, "Body": {"Email": "[email protected]", "FirstName": "test", "Surname": "test"}}'; $opt_arr = array( CURLOPT_URL => 'http://example.com', CURLOPT_RETURNTRANSFER => true, CURLOPT_ENCODING => '', CURLOPT_MAXREDIRS => 10, CURLOPT_TIMEOUT => 0, CURLOPT_FOLLOWLOCATION => true, CURLOPT_CUSTOMREQUEST => 'POST', CURLOPT_POST => true, CURLOPT_HTTPHEADER => $headers, CURLOPT_POSTFIELDS => $postData ); curl_setopt_array($curl, $opt_arr); echo $resp = curl_exec($curl); curl_close($curl);

I do not receive the expected response;

{"Header":{"Status":"ERROR","ErrorMsg":"INVALID_REQUEST"},"Body":{"BackUrl":"","Redirect":"NO"}}

I need help converting the above working curl to the correct PHP code.

But when I implement same in PHP The code for PHP is not identical to the command. "Header": {"Token": "xyz"} is sent differently. — 3CEZVQ
– 3CEZVQ, Commented Aug 9, 2022 at 14:48
@273K Even if I wrap header & body and send it as a whole $postData = '{"Header": {"Token": "xyz"}, "Body": {"Email": "[email protected]", "FirstName": "test", "Surname": "test"}}'; I am getting same error. — Ahmed Syed
– Ahmed Syed, Commented Aug 9, 2022 at 14:54
Show you attempt in the code. Don't use the comments for that. — 3CEZVQ
– 3CEZVQ, Commented Aug 9, 2022 at 14:58
@273K I have found the solution, I was missing https in URL. — Ahmed Syed
– Ahmed Syed, Commented Aug 11, 2022 at 12:09

hanshenrik · Accepted Answer · 2022-08-11 10:18:51Z

I am not familiar with PHP, regardless of that I see a difference in sending "Header": {"Token": "xyz"}. The curl command sends it in the post data, whereas PHP sends it in the http headers. The PHP variables should be

$headers = array( "content-type: application/json" ); $postDataHeader = array( 'Token' => 'xyz' ); $postDataBody = array( 'Email' => '[email protected]', 'FirstName' => 'test', 'Surname' => 'test' ); $postData = json_encode(array( 'Header' => $postDatHeader, 'Body' => $postDataBody ));

and $postData must be set in CURLOPT_POSTFIELDS, not CURLOPT_HTTPHEADER.

fixed PHP example:

<?php $ch = curl_init(); curl_setopt_array($ch, array( CURLOPT_URL => 'http://example.com', CURLOPT_HTTPHEADER => array( 'content-type: application/json' ), CURLOPT_POST => true, CURLOPT_POSTFIELDS => json_encode(array( 'Header' => array( 'Token' => 'xyz', ), 'Body' => array( 'Email' => '[email protected]', 'FirstName' => 'test', 'Surname' => 'test', ), ), JSON_THROW_ON_ERROR) )); curl_exec($ch);

yup you're very close. he also needs to put $postData in CURLOPT_POSTFIELDS rather than CURLOPT_HTTPHEADER :)

Ahmed Syed · Accepted Answer · 2022-08-17 14:59:20Z

After many unsuccessful attempts in PHP, I tried to implement it in javascript and here I got to know that error is with SSL security, hence I added HTTPS into the URL, and it worked.

$curl = curl_init(); $headers = array( "content-type: application/json" ); $postData = '{"Header": {"Token": "xyz"}, "Body": {"Email": "[email protected]", "FirstName": "test", "Surname": "test"}}'; $opt_arr = array( CURLOPT_URL => 'https://example.com', CURLOPT_RETURNTRANSFER => true, CURLOPT_ENCODING => '', CURLOPT_MAXREDIRS => 10, CURLOPT_TIMEOUT => 0, CURLOPT_FOLLOWLOCATION => true, CURLOPT_CUSTOMREQUEST => 'POST', CURLOPT_POST => true, CURLOPT_HTTPHEADER => $headers, CURLOPT_POSTFIELDS => $postData ); curl_setopt_array($curl, $opt_arr); echo $resp = curl_exec($curl); curl_close($curl);

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