我如何在下面的工作中做到這一點?如何在PHP中顯示會話數組項目
<?PHP
$_SESSION['signup_errors']['test1'];
$_SESSION['signup_errors']['test2'];
$_SESSION['signup_errors']['test3'];
$_SESSION['signup_errors']['test4'];
foreach ($_SESSION['signup_errors'] as $key => &$value) {
echo $value;
}
?>
警告:()提供的foreach無效參數