#php minimal curl post call

curl.php

<?php

$query = array(
  'foo' => 'bar',
);

$url = 'https://example.com/api/url';

$curl = curl_init();
$curlOptions = array(
  CURLOPT_RETURNTRANSFER => TRUE,
  CURLOPT_URL => $url,
  CURLOPT_POSTFIELDS => http_build_query($query), // CURLOPT_POSTFIELDS sets the method to POST automatically
  CURLOPT_VERBOSE => true,
  CURLOPT_FAILONERROR => true,  
);
curl_setopt_array($curl, $curlOptions);
$jsonResponse = json_decode(curl_exec($curl), TRUE);

if ($error_no = curl_errno($curl)) {
  $error_msg = curl_error($curl);
  throw new Exception("Curl error no: $error_no - error: $error_msg");
}
curl_close($curl);

print_r($jsonResponse);