HTTP request failed! HTTP/1.1 400 Bad Request - php

Question

I am trying to create a issue in Jira .
I am able to make a GET request with a proper response, but the problem arises when i make a POST request.Here is the code.
<?php
$userName ='xxxxxxxxxxxxxxxx';
$password ='xxxxxxxxxxxx';
$data = ['fields' => ['projects'=>['key'=>'ABC'],'summary'=>'abc','description'=>'abc','issuetype'=>['name'=>'Task']]];
$data = http_build_query($data);
$context =
array("http"=>
array(
"method" => "POST",
"header" => "Authorization: Basic " . base64_encode($userName.':'.$password) . "\r\n".
'Accept: application/json'."\r\n".
"Content-Length: ".strlen($data)."\r\n".
'Content-Type: application/json'."\r\n",
'content' => $data,
'verify_peer'=>false,
'verify_peer_name'=>false,
)
);
$context = stream_context_create($context);
$result = file_get_contents("https://xxxxx.atlassian.net/rest/api/2/issue/", false, $context);
echo "The result is ", $result;
?>
I get the following error:
Warning:file_get_contents(https://xxxxx.atlassian.net/rest/api/2/issue/):
failed to open stream: HTTP request failed! HTTP/1.1 400 Bad Request in
/var/www/html/test/new.php on line 27
Could any one help me out? Thanks
P.S
I dont want to use curl as an alternative to http-streams as google app engine does not support curl.

Answer 1

http_build_query() generates a url-encoded string. However, the API requires JSON. You should be using json_encode() instead.
Change:
$data = http_build_query($data);
To:
$data = json_encode($data);
While maybe not your only problem, this is definitely one problem that would result in an 400 Bad Request.

Answer 2

Could you have a typo in your code?
$data=array('fields' => array ('project' => array ('key' => 'WOIS',),'summary' => 'ABC','description' => 'ABC','issuetype' => array ('name' => 'Task',),),);
vs
$data = ['fields' => ['projects'=>['key'=>'WOIS'],'summary'=>'adfsdf','descriptio‌​n'=>'adfefsa','issue‌​type'=>['name'=>'Tas‌​k']]];
the first line says project while the second line says projects