ciao, prova a guardare questo esempio:

codice:
if ($_POST)
	print_r(unserialize(stripslashes(str_replace(""","\"",$_POST['test']))));
$test=array("bla 1","bla 2","bla 3");
$test=str_replace("\"",""",serialize($test));
if (!get_magic_quotes_gpc())
	$test=addslashes($test);
echo "<form name=\"invioUP\" action=\"prova.php\" method=\"post\">
	<input type=\"hidden\" name=\"test\" value=\"{$test}\">
	<input type=\"submit\" name=\"Ok\" value=\"OK\">
</form>\n";