fht/functions.php

<?php

function fht_enqueue_styles() { 
  wp_enqueue_style( 'parent-style', get_template_directory_uri() . '/style.css' );
}
add_action( 'wp_enqueue_scripts', 'fht_enqueue_styles' );

function fht_fontkit_name(){ ?>
  <link rel="stylesheet" href="https://use.typekit.net/sem4mxq.css"> <?php
};
add_action('wp_head', 'fht_fontkit_name');

remove_action('wp_head', 'index_rel_link' );
remove_action('wp_head', 'rel_canonical');
remove_action('wp_head', 'start_post_rel_link', 10);
remove_action('wp_head', 'adjacent_posts_rel_link_wp_head', 10);
remove_action('wp_head', 'wp_shortlink_wp_head', 10);
remove_action('wp_head', 'parent_post_rel_link', 10);
remove_action('wp_head', 'rsd_link');
remove_action('wp_head', 'wlwmanifest_link');
remove_action('wp_head', 'wp_generator');
remove_action('wp_head', 'feed_links_extra', 3 );
remove_action('wp_head', 'feed_links', 2 );
remove_action('wp_head', 'wp_oembed_add_discovery_links', 10);
remove_action('wp_head', 'wp_oembed_add_host_js', 10);
remove_action('wp_head', 'rest_output_link_wp_head', 10);
remove_action('template_redirect', 'rest_output_link_header', 11, 0);

function dw_remove_wp_ver_css_js( $src ) {
    if ( strpos( $src, 'ver=' ) )
        $src = remove_query_arg( 'ver', $src );
    return $src;
}
add_filter( 'style_loader_src', 'dw_remove_wp_ver_css_js', 9999 );
add_filter( 'script_loader_src', 'dw_remove_wp_ver_css_js', 9999 );

add_filter( 'xmlrpc_enabled', '__return_false' );
add_filter( 'wp_headers', 'disable_x_pingback' );
function disable_x_pingback( $headers ) {
  unset( $headers['X-Pingback'] );
  return $headers;
}

function disable_emojis() {
	remove_action( 'wp_head', 'print_emoji_detection_script', 7 );
	remove_action( 'admin_print_scripts', 'print_emoji_detection_script' );
	remove_action( 'wp_print_styles', 'print_emoji_styles' );
	remove_action( 'admin_print_styles', 'print_emoji_styles' );
	remove_filter( 'the_content_feed', 'wp_staticize_emoji' );
	remove_filter( 'comment_text_rss', 'wp_staticize_emoji' );
	remove_filter( 'wp_mail', 'wp_staticize_emoji_for_email' );
	add_filter( 'emoji_svg_url', '__return_false' );
}
add_action( 'init', 'disable_emojis' );

function dw_redirect_attachment_page() {
	if ( is_attachment() ) {
		global $post;
		if ( $post && $post->post_parent ) {
			wp_redirect( esc_url( get_permalink( $post->post_parent ) ), 301 );
			exit;
		} else {
			wp_redirect( esc_url( home_url( '/' ) ), 301 );
			exit;
		}
	}
}
add_action( 'template_redirect', 'dw_redirect_attachment_page' );