quaderno_json.php

<?php
/**
* Quaderno JSON
*
* Low level library to encode and decode messages using JSON
* and sending those messages through HTTP with cURL
*
* @package   Quaderno PHP
* @author    Quaderno <support@quaderno.io>
* @copyright Copyright (c) 2021, Quaderno
* @license   https://opensource.org/licenses/MIT The MIT License
*/

abstract class QuadernoJSON
{
	/**
	 * @param string $url
	 * @param string $method
	 * @param string $username
	 * @param string $password
	 * @param string|null $version
	 * @param array|null $data
	 *
	 * @return array
	 */
	public static function exec($url, $method, $username, $password, $version = null, $data = null)
	{
		// Initialization
		$ch = curl_init($url);

		// Encode data in JSON
		$json = $data ? json_encode($data) : null;

		// cURL configuration options
		$options = array (
			CURLOPT_RETURNTRANSFER => true,																 // Accept answer
			CURLOPT_USERPWD => $username.':'.$password,								 		 // User and password
			CURLOPT_CUSTOMREQUEST => $method,															 // HTTP method to use
			CURLOPT_HTTPHEADER => array(
				'Content-type: application/json',
				$version ? 'Accept: application/json; api_version='.$version : 'Accept: application/json'
			)	 // JSON headers
		);

		if ($json) $options += array(CURLOPT_POSTFIELDS => $json);

		curl_setopt_array($ch, $options);

		// Get results
		$result = array();
		$result['data'] = curl_exec($ch);
		$result['error'] = curl_errno($ch);
		$result['format_error'] = curl_error($ch);
		$result += curl_getinfo($ch);
		curl_close($ch);

		// Decode data
		if ($result['data'])
			$result['data'] = json_decode($result['data'], true);

		return $result;
	}
}