$data = array("score" => "234", "playerName" => "Noman", "cheatMode" => "false");
$data_string = json_encode($data);
var_dump($data_string);
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "https://www.parse.com/apps/testapp--6335/collections");
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
curl_setopt($ch, CURLOPT_POSTFIELDS, $data_string);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

curl_setopt($ch, CURLOPT_HTTPHEADER, array(
'X-Parse-Application-Id:G1S3htqkA*******O0Lvw8IRKf7IeaNB5jY64',
'X-Parse-REST-API-Key:KQxLUo4sXAh7D*****IdTP3Lxl6YzT6o2jN',
'Content-Type: application/json'
));
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
$result = curl_exec($ch);
var_dump($result);

But i got error
SSL certificate problem: unable to get local issuer certificate