algo

function mood_detection($image , $no_results){

// get your API Key at https://algorithmia.com/user#credentials
$api_key = 'sim18SC3i39RSf8olp5SkmmnquD1';

// pick an algorithm at https://algorithmia.com/algorithms -- and append a version number
$algorithm = 'deeplearning/EmotionRecognitionCNNMBP/1.0.1';

// most algorithms accept JSON Objects https://i.imgflip.com/vh6to.jpg
$data = array('image' => $image , 'numResults' => $no_results );
$data_json = json_encode($data);

// prepare cURL to algorithm endpoint
$ch = curl_init();
$headers = array(
  'Content-Type: application/json',
  'Authorization: Simple ' . $api_key,
  'Content-Length: ' . strlen($data_json)
);
curl_setopt_array($ch, array(
  CURLOPT_URL => 'https://api.algorithmia.com/v1/algo/' . $algorithm,
  CURLOPT_HTTPHEADER => $headers,
  CURLOPT_POSTFIELDS => $data_json,
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_POST => true
));

// run the algorithm and get the results (usually a JSON-encoded string)
$response_json = curl_exec($ch);
curl_close($ch);
$response = json_decode($response_json, true);

return $response;

}