php從5.2升級到5.6後，提交留言板表單，按下提交按鈕後，不會跳出js的提交成功提示框了，有哪位可以看看，是不是php不同版本的語法哪裡要調整下，謝謝！
$fsql -> query ("select field_caption,field_name,field_null,value_repeat from {P}_feedback where groupid='$groupid' and use_field = '1' order by xuhao");
$fieldArray = array();
while ($fsql -> next_record ()) {
$field_caption = $fsql -> f ('field_caption');
$field_name = $fsql -> f ('field_name');
$field_null = $fsql -> f ('field_null');
$value_repeat = $fsql -> f ('value_repeat');
$nowvalue=$_POST[$field_name];
if ($field_null == "1" && (!isset ($nowvalue) || $nowvalue == "")) {
echo $FormSendNTC1.$field_caption;
exit;
}
if ($value_repeat == "0" && $nowvalue != "") {
$tsql -> query ("select id from {P}_feedback_info where " . $field_name . "='" . $nowvalue . "' and groupid = '" .$groupid . "'");
if ($tsql -> next_record ()) {
echo $field_caption.$FormSendNTC2;
exit;
}
}
//读取字段的名称：
$fieldArray[$field_name] = $field_caption;
}
$sql = "select groupname from {P}_feedback_group where id = $groupid";
$fsql -> query($sql);
$fsql -> next_record ();
