Sure - I'm not defending PHP. This is all the case for backwards compatibility.
The easiest solution would be to define a new file extension/MIME type which is "PHP-by-default".
The easiest solution would be to define a new file extension/MIME type which is "PHP-by-default".
Perhaps a more secure idea would be to require an opening stanza for the reverse - for content that should simply be printed to standard out? i.e. <?out to make content that should be outputed, not <?php for content that should be interpreted.