<?php
error_reporting(0);
function writecsv(){
	$list = array (
		array('aaa', 'bbb', 'ccc', 'dddd'),
		array('123', '456', '789'),
		array('"aaa"', '"bbb"')
		);
	$file = fopen('file.csv', 'w');
	var_dump($file);
	foreach ($list as $fields) {
	    fputcsv($file, $fields, ";");
	}
	fclose($file);
}
if (isset($_GET['file'])) {
	header('Content-Disposition: attachment; filename="abc.csv"');
	readfile('file.csv');
} else {
	echo "Funkcja zapisuje tablice do pliku file.csv na serwerze.\n Plik ma taka zawartosc jak trzeba.\n";
	echo "<a href=\"?file=1\">Link</a>";
	writecsv();
}