Is your server used with suPHP and not mod_php or simple php-cgi?
AddHandler x-httpd-php .html .htm
AddType application/x-httpd-php .html .htm
.
Postscript
UID . suPHP, suEXEC. . su php-cgi, phpinfo() PHP- , Server API CGI/FastCGI. , CGI, phpinfo Apache. -, :
<?php
header( "Content-Type: text/plain");
echo system('grep -iR LoadModule /etc/httpd /etc/apache2');
/- . ?