如何将上传的php文件显示为纯文本而不是在wordpress中执行？

<?php
echo  "test";
?>

编辑一篇名为test and upload file /tmp/testme.php的新帖子,用url http：//home.local/wp/？p = 4785发布.

我想看看testme中的内容,点击它,在wordpress中弹出新窗口.

继续点击它.网页上显示的测试结果.

我的期望：
1.只需在测试帖中点击testme一次.
2.将testme.php显示为纯文本,

<?php
echo  "test";
?>

而不是执行testme.php的结果.

test

我根据一些材料显示配置php文件作为apache中的纯文本.

sudo vim /etc/apache2/sites-available/000-default.conf

<VirtualHost *:80>
    ServerName www.home.local
    ServerAdmin webmaster@localhost
    DocumentRoot /var/www/html
    ErrorLog ${APACHE_LOG_DIR}/error.log
    CustomLog ${APACHE_LOG_DIR}/access.log combined
        <Directory /var/www/html>
            Options Indexes FollowSymLinks MultiViews
            AllowOverride All
            allow from all
            php_flag engine off
            AddType text/plain php
        </Directory>
</VirtualHost>

重启apache2(在debian中构建).

sudo systemctl restart apache2

要打开帖子http：//home.local/wp/？p = 4785,我在网页上得到以下输出：

<?php
/**
 * Front to the WordPress application. This file doesn't do anything,but loads
 * wp-blog-header.php which does and tells WordPress to load the theme.
 *
 * @package WordPress
 */

/**
 * Tells WordPress to load the WordPress theme and output it.
 *
 * @var bool
 */
define('WP_USE_THEMES',true);

/** Loads the WordPress Environment and Template */
require( dirname( __FILE__ ) . '/wp-blog-header.php' );