zapis odczyt

<html>
<body>
<?php

$a=$_GET['nazwa'];
$b=$_GET['data'];
$c=$_GET['cena'];
$d=$_GET['ilosc'];

$date1=date_create($b);
$date2=date_create(date('Y-m-d'));


$diff=date_diff($date1,$date2);
echo $diff->format('%a dni');

if ($diff)

echo "<br>";
echo "cena calosci to ".$d*$c."<br>";
$dane = "tekst do wprowadzenia\n";

$file = "baza.txt";

$fp = fopen($file, "a");

flock($fp, 2);


fwrite($fp, $a." ");
fwrite($fp, $b." ");
fwrite($fp, $c." ");
fwrite($fp, $d." ");
fwrite($fp, "\r\n");

flock($fp, 3);


fclose($fp);


?>
</body>
</html>