Initialize curl
$curl = curl_init();Set HTTP headers
curl_setopt($curl, CURLOPT_HTTPHEADER, array('Content-Type: application/json'));To use basic auth
curl_setopt($curl, CURLOPT_USERPWD, $username.":".$password);URL to query
curl_setopt($curl, CURLOPT_URL, $queryURL);To transfer output to variable
curl_setopt($curl, CURLOPT_RETURNTRANSFER, True); Execute curl
$output=curl_exec($curl);Close
curl_close($curl);Use the verbose option to debug
curl_setopt($ch, CURLOPT_VERBOSE, true);