<?php
class Paypal {

	private $user = '';
	private $password = '';
	private $signature = '';
	private $endpoint = 'https://api-3t.sandbox.paypal.com/nvp';
	public $errors = array();

	public function __construct($user = 'seller_api1.linox.com',$password = 'E8BEUX7T447ADU4K',$signature = 'AFcWxV21C7fd0v3bYYYRCpSSRl31Aq2ySAZ-mZO5WnXxfeVsJRGsAdq-',$sandbox = true)
	{
			$this->user = $user;
			$this->password = $password;
			$this->signature = $signature;
			$this->sandbox = $sandbox;
			if(!$sandbox)
			{
				$this->endpoint = str_replace('sandbox.','',$this->endpoint);
			}
	}

	public function request($method,$params)
	{
		$params = array_merge($params, array(
			'METHOD' => $method,
			'USER' => $this->user,
			'PWD' => $this->password,
			'SIGNATURE' => $this->signature,
			'VERSION' => '74.0'
		));
		$params = http_build_query($params);
		$curl = curl_init();
		curl_setopt_array($curl, array(
			CURLOPT_URL => $this->endpoint,
			CURLOPT_POST => 1,
			CURLOPT_POSTFIELDS => $params,
			CURLOPT_RETURNTRANSFER => 1,
			CURLOPT_SSL_VERIFYPEER => false,
			CURLOPT_SSL_VERIFYHOST => false,
			CURLOPT_VERBOSE => 1
		));

		$response = curl_exec($curl);
		$responseArray = array();
		parse_str($response,$responseArray);

		if(curl_errno($curl))
		{
			$this->errors = curl_error($curl);
			curl_close($curl);
			return false;
		}
		else {
			if($responseArray['ACK'] == 'Success')
			{
				return $responseArray;
				curl_close($curl);
			}else{
				$this->errors = $responseArray;
				curl_close($curl);
				return false;
			}
		}
	}

}