register.php

<?php

$dataFile = 'ss.dat';			
$cleandate = $_POST['cleandate'];
$userhouse = $_POST['userhouse'];
$coinlaundry = $_POST['coinlaundry'];
$cost = $_POST['cost'];
echo $cleandate;
echo $userhouse;
echo $cost;
echo $coinlaundry;

if($_SERVER['REQUEST_METHOD']=='POST' &&
	isset($_POST['cleandate'])&&
	isset($_POST['userhouse'])&&
	isset($_POST['userid'])&&
	isset($_POST['coinlaundry']) && 
	isset($_POST['cost'])
	){

	$cleandate = $_POST['cleandate'];
$userhouse = $_POST['userhouse'];
$userid = $_POST['userid'];
$coinlaundry = $_POST['coinlaundry'];
$cost = $_POST['cost'];

$newData=$cleandate . "," . $userhouse . "," . $userid . "," . $coinlaundry . "," . $cost . "\n";
$fp=fopen($dataFile,'a');
// 	if(isset($userid['太田'])){
// 	echo $userid;
// }
fwrite($fp,$newData);
fclose($fp);
}
?>