How to remove the Square Bracket in JSON using PHP

Question

Below code is the returned JSON

[{"one":"id","two":"id","three":"id"},{"one":"id","two":"id","three":"id"}]

Below code is the desired result of the returned JSON (without the array bracket)

{"one":"id","two":"id","three":"id"},{"one":"id","two":"id","three":"id"}

Below code is to convert the array to the JSON format

include('connect-db.php'); 
$result = mysql_query("SELECT * FROM patientvaccinedetail"); 
$specific = []; 
while($row = mysql_fetch_array( $result ,MYSQL_ASSOC)) { 
echo "<tr>"; 
echo '<td width="100px">' . $row['id'] . '</td>'; 
echo '<td width="200px">' . $row['patientid'] . '</td>'; 
echo '<td width="200px">' . $row['vaccineid'] . '</td>'; 
  //**********Convert the array into json******************* 

  $specific[] = ["one" => $row["id"],
                 "two" => $row["patientid"],
                 "three" => $row["vaccineid"]];

$result = json_encode($specific,JSON_UNESCAPED_UNICODE);

echo $result;
echo "</tr>";
echo "</table>";
?>

To send the request to the API, iam using Guzzle And the format the API require is {xx:xx},{xx:xx} without the square bracket, any idea how to remove it using PHP. Thanks in advance

     $client = new Client([
    'headers' => ['Content-Type' => 'application/json',
                  'Token' => $token]
                           ]);

       $response = $client->post('http://localhost:91/Religious',
       ['body' => ***Where the json will be place***]
       );

Answer 1

I read a nice solution in the comments of the first post by deceze ♦ with trim().

$yourJson = trim($yourJson, '[]');

You can also use regular expression:

// if nothing is found, your json has already no brackets or is invalid.
if (preg_match('/^\[(.+)\]$/', $yourJson, $new))
{
    /**
     * $new[0] = $yourJson
     * $new[1] = what's in the parenthesis
     */
    $yourJson = $new[1];
}

Or, you may use substr():

$yourJson = substr($yourJson, 1, strlen($yourJson) - 2);

EDIT: When it says in the request body format : application/json, I do not think that you have to remove the brackets. Did you even try with them?