$apiKey = "YOUR_API_KEY";
$googleKey = "6Le-wvkSAAAAAPBMRTvw0Q4Muexq9bi0DJwx_mJ-";
$pageUrl = "https://www.google.com/recaptcha/api2/demo";
$retrieve= file_get_contents("http://2captcha.com/in.php?key=".$apiKey."&method=userrecaptcha&googlekey=".$googleKey."&pageurl=".$pageUrl);
$first = array($retrieve);
$result = explode('OK|',$first[0]);
$hello = $result[1];
$con="http://2captcha.com/res.php?key=".$apiKey."&action=get&id=".$hello;

sleep(23);
$getting = file_get_contents($con);
$second = array($getting);
$secondresult = explode('OK|',$second[0]);