“PRE_USER_QUERY”干扰用户导出

我需要为我创建的自定义元数据向客户端wordpress添加可排序的列，所以我使用了pre_user_query 钩

add_action(\'pre_user_query\', \'user_column_orderby\');

function user_column_orderby($user_search) {
    global $wpdb, $current_screen;

    if ( \'users\' != $current_screen->id )
        return;

    $vars = $user_search->query_vars;

    if(\'Kön\' == $vars[\'orderby\']) {
        $user_search->query_from .= " INNER JOIN {$wpdb->usermeta} m1 ON {$wpdb->users}.ID=m1.user_id AND (m1.meta_key=\'gender\')";
        $user_search->query_orderby = \' ORDER BY UPPER(m1.meta_value) \'. $vars[\'order\'];
    } elseif (\'Ålder\' == $vars[\'orderby\']) {
        $user_search->query_from .= " INNER JOIN {$wpdb->usermeta} m1 ON {$wpdb->users}.ID=m1.user_id AND (m1.meta_key=\'age\')";
        $user_search->query_orderby = \' ORDER BY UPPER(m1.meta_value) \'. $vars[\'order\'];
    } elseif (\'Distrikt\' == $vars[\'orderby\']) {
        $user_search->query_from .= " INNER JOIN {$wpdb->usermeta} m1 ON {$wpdb->users}.ID=m1.user_id AND (m1.meta_key=\'district\')";
        $user_search->query_orderby = \' ORDER BY UPPER(m1.meta_value) \'. $vars[\'order\'];
    } elseif (\'Kategori\' == $vars[\'orderby\']) {
        $user_search->query_from .= " INNER JOIN {$wpdb->usermeta} m1 ON {$wpdb->users}.ID=m1.user_id AND (m1.meta_key=\'category\')";
        $user_search->query_orderby = \' ORDER BY UPPER(m1.meta_value) \'. $vars[\'order\'];
    }
}

如果您在用户屏幕上，这很好用。但我还添加了一个导出到csv按钮，它调用export-csv.php 如下所示的文件：

<?php
$location = $_SERVER[\'DOCUMENT_ROOT\'];
include ($location . \'/wp-load.php\');

if (current_user_can(\'manage_options\')) {
    header("Content-type: application/force-download");
    header(\'Content-Disposition: inline; filename="users\'.date(\'YmdHis\').\'.csv"\');

    // WP_User_Query arguments
    $args = array (
        \'order\'          => \'ASC\',
        \'orderby\'        => \'display_name\',
        \'fields\'         => \'all\',
    );

    // The User Query
    $blogusers = get_users( \'orderby=nicename&order=ASC\' );
    // Array of WP_User objects.
    foreach ( $blogusers as $user ) {
        //echo \'<span>\' . esc_html( $user->user_email ) . \'</span>\';
        print_r($user);
    }
}

现在，我的问题是.csv 文件有一个通知：

注意：正在尝试获取中非对象的属性/wp内容/主题/神话/管理/用户\\u附加。php在线

指向直线：

if ( \'users\' != $current_screen->id )

在我的第一个代码中。这是因为我已经迷上了pre_user_query 钩子，我在我的文件中查询用户。有没有办法抑制此通知（无需wp-config.php 删除调试代码-这不是解决方案，只是掩盖了问题）？

global $wpdb, $current_screen; $vars = $user_search->query_vars; if (isset($current_screen->id) && \'users\' != $current_screen->id) { return; } else if (empty($vars[\'myfilter\'])) { return; }

add_action(\'init\', \'export_csv\'); //you can use admin_init as well function export_csv() { if (!empty($_POST[\'myprefix_export_csv\'])) { //Send headers //Query users //print data exit(); } }

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