<?php
$data = array(
	'test1'=>'aaa',
	'test2'=> array(
		array(
			'test3'=>'bbb'
		)
	),
	'test4'=> array(
		array(
			'test5'=>'ccc',
			'test6'=>'ddd'
		)
	)
);

$data_json = json_encode($data);

$ch = curl_init();
curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/json'));
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'POST');
curl_setopt($ch, CURLOPT_POSTFIELDS, $data_json);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_URL, 'https://penta-02.ptgw.net/sonar/recv.php');
$result=curl_exec($ch);
echo 'RETURN:'.$result;
curl_close($ch);


?>