WordPress site sunga function.php a zatzangkhai thei di code tamlou hiai a nuai ah

//*Remove Query String from Static Resources
function remove_css_js_ver( $src ) {
if( strpos( $src, '?ver=' ) )
$src = remove_query_arg( 'ver', $src );
return $src;
}
add_filter( 'style_loader_src', 'remove_css_js_ver', 10, 2 );
add_filter( 'script_loader_src', 'remove_css_js_ver', 10, 2 ); 

//*Heartbeart removal
add_action( 'init', 'stop_heartbeat', 1 );
function stop_heartbeat() {
wp_deregister_script('heartbeat');
}

//* Remove ping back
function no_self_ping( &$links ) {
    $home = get_option( 'home' );
    foreach ( $links as $l => $link )
        if ( 0 === strpos( $link, $home ) )
            unset($links[$l]);
}
add_action( 'pre_ping', 'no_self_ping' );