how to post data in curl php code example

Example 1: http post request php curl

$post = [
   'teste' => $_POST['teste']
];
httpPost('url.com', $post);
// function
function httpPost($url, $data)
{
   	$curl = curl_init($url);
    curl_setopt($curl, CURLOPT_POST, true);
    curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
    $response = curl_exec($curl);
    curl_close($curl);
    return $response;
}

Example 2: send application/json php

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

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

// Setup request to send json via POST
$data = array(
  'username' => 'codexworld',
  'password' => '123456');
$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);

Example 3: how to read data from curl php

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