代码:
function insertheadright($name) {
$str1 = xss($name);
$sql = "INSERT INTO `nav-menu` (`id`, `Head-categories`, `RightMenu`, `LeftMenu`, `Sub-categories`, `Show-sub`, `Show-head`, `keywords`, `description`) VALUES (NULL, ?, '1', '0', '0', '0', '1', '', '')";
$result = $connect->prepare($sql);
$result->bindValue(1, $str1);
$query = $result->execute();
if ($query) {
$num = 1;
return $num;
} else {
$num = 0;
return $num;
}
}
代码2:
$object = insertheadright($_POST["nav-name"]);
if (isset($object)) {
if ($object == 1)
echo "<div class=ok>منو با موفقیت افزوده شد</div>";
else
echo '<div class="error">مشکل در ثبت فهرست</div>';
}
错误:
Notice: Undefined variable: connect in /home/user/domains/site.com/public_html/inc/nav/function-nav.php on line 8 Fatal error: Call to a member function prepare() on null in /home/designpr/domains/shrg.ir/public_html/inc/nav/function-nav.php on line 8
最佳答案
使 connect 变量可供您的函数访问,如下所示:
function insertheadright($name) {
global $connect;
或者,您可以将其作为参数传递给函数:
function insertheadright($connect, $name) {
根据您的代码,其中一种可能比另一种更好,但只要保持一致就可以了。
关于php - fatal error : Call to a member function prepare() on null,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/34507352/