POST and Receive JSON Data using PHP cURL

php_200708_curl_json.php

<?php
// More detail at https://www.codexworld.com/post-receive-json-data-using-php-curl
// 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' => 'xxx',
    'password' => 'xxx'
);
$payload = json_encode($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);

// If run on localhost without ssl
// See https://stackoverflow.com/a/43207531/1813901
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);

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

// Close cURL resource
curl_close($ch);
?>