No I mean, for that particular folder, have another .htaccess file that removes the x-httpd-php application type for any extension that might have it set in above directories (or the DH defaults). Like you could do something like:
AddType text/html .php
or if that doesn't work you could try:
AddType application/x-httpd-php-source .php
This way, not even you can execute PHP in that particular folder (and it's subdirs).
Let me know how you go.
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