勉強サイト:https://www.javadrive.jp/apache/#section_htaccess
Options -Indexes -ExecCGI
Options -ExecCGI
<FilesMatch "\.(html|php)$">
Order allow,deny
Allow from all
</FilesMatch>
<FilesMatch ".*">
Order deny,allow
Deny from all
</FilesMatch>
<FilesMatch "\.html$"> AddType application/x-httpd-php .html </FilesMatch>