GET TOKEN FB - NDDCoder

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<?php
	define('BROWSER_DEFAUT', 'Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.69 Safari/537.36');
	define('TIME_OUT', 15);
	function cURLPost($url, $param, $browser = BROWSER_DEFAUT)
	{
		$ch	  = curl_init();
		curl_setopt($ch, CURLOPT_URL, $url);
		curl_setopt($ch, CURLOPT_USERAGENT, $browser);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
		curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
		curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
		curl_setopt($ch, CURLOPT_MAXREDIRS, 10);
		curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
		curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, TIME_OUT);
		curl_setopt($ch, CURLOPT_POST, count($param));
		curl_setopt($ch, CURLOPT_POSTFIELDS, $param); 
		$data = curl_exec($ch);
		curl_close($ch);
		return $data;
	}
	function getToken($email, $password, $type = 'iphone')
  {
			$key = [
				'android' => [
					'api_key' => '882a8490361da98702bf97a021ddc14d',
					'secretkey' => '62f8ce9f74b12f84c123cc23437a4a32'
				],
				'iphone' => [
					'api_key' => '3e7c78e35a76a9299309885393b02d97',
					'secretkey' => 'c1e620fa708a1d5696fb991c1bde5662'
				],
				'iosforpage' => [
					'api_key' => '',
					'secretkey' => ''
				]
			];

$api_key = $key[$type]['api_key'];
			$secretkey = $key[$type]['secretkey'];
			$postdata = array(
				"api_key" => $api_key,
				"email" => $email,
				"format" => "JSON",
				"locale" => "vi_vn",
				"method" => "auth.login",
				"password" => $password,
				"return_ssl_resources" => "0",
				"v" => "1.0"
			);

// tạo chuỗi kết nối
			$postdata['sig'] = http_build_query($postdata, '', '') . $secretkey;
			$postdata['sig'] = md5(urldecode($postdata['sig']));
			http_build_query($postdata);
			
			$data = cUrlPost("https://api.facebook.com/restserver.php", $postdata);
			// $data = json_decode($data);
			return $data;
			// if (isset($data->access_token)) {
			// 	return $data->access_token;
			// }
			// $error_title = json_decode($data->error_data)->error_title;
			// return $error_title;
    }
    echo getToken('email', 'pass');