tillkruss

<?php

if ( ! is_admin() ) {
	add_action( 'parse_query', function( $query ) {
		if ( $query->is_search ) {
			unset( $_GET['s'], $_POST['s'], $_REQUEST['s'] );
			$query->set( 's', '' );
			$query->is_search = false;
			$query->set_404();
			header( $_SERVER[ 'SERVER_PROTOCOL' ] . ' 404 Not Found' );

tillkruss

<?php

add_action( 'do_feed_rdf', function() { wp_redirect( home_url(), 301 ); exit; }, 1);
add_action( 'do_feed_rss', function() { wp_redirect( home_url(), 301 ); exit; }, 1);
add_action( 'do_feed_rss2', function() { wp_redirect( home_url(), 301 ); exit; }, 1);
add_action( 'do_feed_atom', function() { wp_redirect( home_url(), 301 ); exit; }, 1);
add_action( 'init', function() {
	remove_action( 'wp_head', 'feed_links', 2 );
	remove_action( 'wp_head', 'feed_links_extra', 3 );
});

tillkruss

<?php

add_action( 'pre_option_image_default_link_type', function() {
	return 'none'; // 'file', 'post' or 'none'
});

tillkruss

<?php
/*
Plugin Name: Disable Developer Plugins
Description: Force disables developer plugins in production environments.
*/

$dev_plugins = array(
	'debug-bar/debug-bar.php',
	'debug-bar-cron/debug-bar-cron.php',
	'debug-bar-extender/debug-bar-extender.php',

tillkruss

<?php

// changes CSS and JavaScript URLs from `css/style.css?ver=1.3.3.7` to `css/style.1.3.3.7.css`
if ( ! is_admin() ) {

	foreach ( array( 'style_loader_src', 'script_loader_src' ) as $filter ) {

		add_filter( $filter, function( $url ) {

			// abort if `$url` doesn't start with `WP_CONTENT_URL`