MMN

gistfile1.txt

/*
* Posts CSV API REWRITE
*/
add_action( 'init', 'wpse9870_init_internal' );
function wpse9870_init_internal()
{
    add_rewrite_rule( 'exportcsv.php$', 'index.php/exportcsv?api_key=123', 'top' );
}

add_filter( 'query_vars', 'wpse9870_query_vars' );
function wpse9870_query_vars( $query_vars )
{
    $query_vars[] = 'api_key';
    return $query_vars;
}

add_action( 'parse_request', 'wpse9870_parse_request' );
function wpse9870_parse_request( &$wp )
{
    if ( array_key_exists( 'api_key', $wp->query_vars ) && ($wp->query_vars['api_key'] == '123') ){

        require_once( get_stylesheet_directory_uri() . '/exportcsv.php' );

        exit();
    }
    return;
}
function bavotasan_word_count($post) {
   return sprintf(
      __( '%s words', 'text-domain' ),
      str_word_count( strip_tags( get_post_field( 'post_content', $post->ID ) ) )
   );
}