Sharpspring API – getLeads

Using the Sharpspring API to find the Lead ID of a Lead if you only have the the Lead email address available

function ns_ss_getLeads(){ 
/*Sharpspring API Keys*/
$accountID = 'XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX';
$secretKey = 'YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY'; 

$limit = 500;                                                                         
$offset = 0;
$method = 'getLeads';                                                         
   $params = array(
    'where' => array('emailAddress' =>'a@gmail.com'));          
$requestID = session_id();                                                      
$data = array(                                                                               
       'method' => $method,                                                                      
       'params' => $params,                                                                      
       'id' => $requestID,                                                                       
   ); 
                              
$queryString = http_build_query(array('accountID' => $accountID, 'secretKey' => $secretKey)); 
$url = "http://api.sharpspring.com/pubapi/v1/?$queryString";                                                                                                                             
$data = json_encode($data);                                                                   
$ch = curl_init($url);                                                                        
   curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");                                              
   curl_setopt($ch, CURLOPT_POSTFIELDS, $data);                                              
   curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);                                               
   curl_setopt($ch, CURLOPT_HTTPHEADER, array(                                                   
       'Content-Type: application/json',                                                         
       'Content-Length: ' . strlen($data),
       'Expect: '                                                        
   ));                                                                                           
   $result = curl_exec($ch);                                                                     
   curl_close($ch);                                                                                                                                                                               
   $obj = json_decode($result);
   $leadid = $obj->result->lead[0]->id;

   echo $leadid;
}