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<?php

//API URL
$url = 'http://www.contohweb.com/api';

//create a new cURL resource
$ch = curl_init($url);

//setup request to send json via POST
$data = array(
    'username' => 'jurnalweb',
    'password' => 'password123456'
);
$payload = json_encode(array("user" => $data));

//attach encoded JSON string to the POST fields
curl_setopt($ch, CURLOPT_POSTFIELDS, $payload);

//set the content type to application/json
curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type:application/json'));

//return response instead of outputting
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

//execute the POST request
$result = curl_exec($ch);

//close cURL resource
curl_close($ch);

//Output response
echo "<pre>$result</pre>";

//get response
$data = json_decode(file_get_contents('php://input'), true);

//output response
echo '<pre>'.$data.'</pre>';