问题描述

我正在运行 WP 3.5.1,我有一个包含大约 100 个项目的菜单。当我向菜单中添加新项目时,旧的消失。

我没有运行 Suhosin 或类似的东西。可能是什么原因?

注意:我在专门的服务器上。

最佳解决方案

以下是为一些类似问题的用户工作的:

尝试增加 php.inimax_input_vars 变量的值。该变量在 PHP 版本 5.3.9 中引入,具有默认值 1000

您可以在 PHP 文档中阅读更多信息:

http://php.net/manual/en/info.configuration.php

max_input_vars  1000    PHP_INI_PERDIR  Available since PHP 5.3.9.

How many input variables may be accepted (limit is applied to $_GET, $_POST and $_COOKIE superglobal separately). Use of this directive mitigates the possibility of denial of service attacks which use hash collisions.

您可以尝试将其增加到 15002000

估计:

使用下面的数据,当我们按 Save Menu 按钮时,给定一定数量的菜单项,我们可以尝试估计我们发送多少个 POST 变量

好像是:

"number of POST variables" = 11 * "number of menu items" + 9

这相当于行:

y=11x+9

那么我们可以建立下表:

在您的情况下,我们看到如果您需要保存 100 菜单项,则需要发送 1109 POST 变量,因此您的 max_input_vars 必须至少为 1109

类似地,当我们向菜单中添加项目 (通过 Ajax POST)

我们得到

"number of POST variables" = 10 * "number of menu items" + 3

这是行:

y=10x+3

相应的数据表是:

当我们添加 10 菜单项时,我们发送 103 POST 变量。

数据:

只是为了显示 $_POST 数据量,当我保存我的菜单只有 5 项目:

Array
(
    [menu-name] => simple_menu
    [save_menu] => Save Menu
    [closedpostboxesnonce] => xxxxxxxxxx
    [meta-box-order-nonce] => xxxxxxxxxx
    [update-nav-menu-nonce] => xxxxxxxxxx
    [_wp_http_referer] => /dev/wp-admin/nav-menus.php
    [action] => update
    [menu] => 58
    [menu-item-title] => Array
        (
            [1135] => home
            [1131] => page1
            [1130] => page2
            [1132] => page3
            [1133] => page4
        )

    [menu-item-attr-title] => Array
        (
            [1135] => 
            [1131] => 
            [1130] => 
            [1132] => 
            [1133] => 
        )

    [menu-item-classes] => Array
        (
            [1135] => 
            [1131] => 
            [1130] => 
            [1132] => 
            [1133] => 
        )

    [menu-item-xfn] => Array
        (
            [1135] => 
            [1131] => 
            [1130] => 
            [1132] => 
            [1133] => 
        )

    [menu-item-description] => Array
        (
            [1135] => 
            [1131] => 
            [1130] => 
            [1132] => 
            [1133] => 
        )

    [menu-item-db-id] => Array
        (
            [1135] => 1135
            [1131] => 1131
            [1130] => 1130
            [1132] => 1132
            [1133] => 1133
        )

    [menu-item-object-id] => Array
        (
            [1135] => 477
            [1131] => 1020
            [1130] => 1028
            [1132] => 791
            [1133] => 603
        )

    [menu-item-object] => Array
        (
            [1135] => page
            [1131] => page
            [1130] => page
            [1132] => page
            [1133] => page
        )

    [menu-item-parent-id] => Array
        (
            [1135] => 0
            [1131] => 0
            [1130] => 1131
            [1132] => 1131
            [1133] => 0
        )

    [menu-item-position] => Array
        (
            [1135] => 1
            [1131] => 2
            [1130] => 3
            [1132] => 4
            [1133] => 5
        )

    [menu-item-type] => Array
        (
            [1135] => post_type
            [1131] => post_type
            [1130] => post_type
            [1132] => post_type
            [1133] => post_type
        )

    [menu-locations] => Array
        (
            [primary] => 0
        )

)

当我将 3 项目添加到菜单中时,POST 数据是:

Array
(
    [action] => add-menu-item
    [menu] => 58
    [menu-settings-column-nonce] => xxxxxxxxxx
    [menu-item] => Array
        (
            [-56] => Array
                (
                    [menu-item-object-id] => 1728
                    [menu-item-db-id] => 0
                    [menu-item-object] => page
                    [menu-item-parent-id] => 0
                    [menu-item-type] => post_type
                    [menu-item-title] => Page 1
                    [menu-item-url] => http://example.com/page1/
                    [menu-item-target] => 
                    [menu-item-classes] => 
                    [menu-item-xfn] => 
                )

            [-57] => Array
                (
                    [menu-item-object-id] => 1724
                    [menu-item-db-id] => 0
                    [menu-item-object] => page
                    [menu-item-parent-id] => 0
                    [menu-item-type] => post_type
                    [menu-item-title] => Page 3
                    [menu-item-url] => http://example.com/page2/
                    [menu-item-target] => 
                    [menu-item-classes] => 
                    [menu-item-xfn] => 
                )

            [-59] => Array
                (
                    [menu-item-object-id] => 1658
                    [menu-item-db-id] => 0
                    [menu-item-object] => page
                    [menu-item-parent-id] => 0
                    [menu-item-type] => post_type
                    [menu-item-title] => Page 3
                    [menu-item-url] => http://example.com/page3/
                    [menu-item-target] => 
                    [menu-item-classes] => 
                    [menu-item-xfn] => 
                )

        )

)

参考文献

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