powered-cache / includes / classes / MediaOptimizer.php

MediaOptimizer.php in Powered Cache – Caching and Optimization for WordPress – Easily Improve PageSpeed & Web Vitals Score trunk, at includes/classes/MediaOptimizer.php

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1	<?php
2	/**
3	* Media Optimization
4	*
5	* @package PoweredCache
6	*/
7
8	namespace PoweredCache;
9
10	/**
11	* Class MediaOptimizer
12	*/
13	class MediaOptimizer {
14	/**
15	* Plugin settings
16	*
17	* @var array $settings
18	*/
19	private $settings;
20
21	/**
22	* Return an instance of the current class
23	*
24	* @return MediaOptimizer
25	*/
26	public static function factory() {
27	static $instance = false;
28
29	if ( ! $instance ) {
30	$instance = new self();
31	$instance->setup();
32	}
33
34	return $instance;
35	}
36
37	/**
38	* Setup routine
39	*/
40	public function setup() {
41	$this->settings = \PoweredCache\Utils\get_settings();
42
43	if ( $this->settings['disable_wp_embeds'] ) {
44	add_action( 'init', [ $this, 'disable_embed' ], 9999 );
45	}
46
47	if ( $this->settings['disable_emoji_scripts'] ) {
48	add_action( 'init', [ $this, 'disable_emoji' ] );
49	}
50
51	}
52
53	/**
54	* Disable WP embeds
55	*/
56	public function disable_embed() {
57	remove_action( 'rest_api_init', 'wp_oembed_register_route' );
58	add_filter( 'embed_oembed_discover', '__return_false' );
59	remove_filter( 'oembed_dataparse', 'wp_filter_oembed_result', 10 );
60	remove_action( 'wp_head', 'wp_oembed_add_discovery_links' );
61	remove_action( 'wp_head', 'wp_oembed_add_host_js' );
62	remove_filter( 'pre_oembed_result', 'wp_filter_pre_oembed_result', 10 );
63
64	add_filter( 'tiny_mce_plugins', [ $this, 'disable_embeds_tinymce' ] );
65	add_filter( 'rewrite_rules_array', [ $this, 'disable_embeds_rewrite' ] );
66	}
67
68	/**
69	* Remove wpembed from the registered plugins
70	*
71	* @param array $plugins registered tinymce plugins
72	*
73	* @return array
74	*/
75	public function disable_embeds_tinymce( $plugins ) {
76	return array_diff( $plugins, [ 'wpembed' ] );
77	}
78
79	/**
80	* Remove embed specific rewrite rules
81	*
82	* @param array $rules rewrite rules
83	*
84	* @return mixed
85	*/
86	public function disable_embeds_rewrite( $rules ) {
87	foreach ( $rules as $rule => $rewrite ) {
88	if ( false !== strpos( $rewrite, 'embed=true' ) ) {
89	unset( $rules[ $rule ] );
90	}
91	}
92
93	return $rules;
94	}
95
96	/**
97	* Disable emoji
98	*/
99	public function disable_emoji() {
100	remove_action( 'wp_head', 'print_emoji_detection_script', 7 );
101	remove_action( 'admin_print_scripts', 'print_emoji_detection_script' );
102	remove_action( 'wp_print_styles', 'print_emoji_styles' );
103	remove_action( 'admin_print_styles', 'print_emoji_styles' );
104	remove_filter( 'the_content_feed', 'wp_staticize_emoji' );
105	remove_filter( 'comment_text_rss', 'wp_staticize_emoji' );
106	remove_filter( 'wp_mail', 'wp_staticize_emoji_for_email' );
107	add_filter( 'tiny_mce_plugins', [ $this, 'disable_emoji_tinymce' ] );
108	add_filter( 'wp_resource_hints', [ $this, 'disable_emoji_dns_prefetch' ], 10, 2 );
109	}
110
111	/**
112	* Remove emoji from plugins
113	*
114	* @param array $plugins tinymce plugins
115	*
116	* @return array
117	*/
118	public function disable_emoji_tinymce( $plugins ) {
119	if ( is_array( $plugins ) ) {
120	return array_diff( $plugins, [ 'wpemoji' ] );
121	}
122
123	return [];
124	}
125
126	/**
127	* Remove emoji CDN from prefetch
128	*
129	* @param array $urls prefetch urls
130	* @param string $relation_type rel type
131	*
132	* @return array
133	*/
134	public function disable_emoji_dns_prefetch( $urls, $relation_type ) {
135	if ( 'dns-prefetch' === $relation_type ) {
136	$emoji_svg_url = apply_filters( 'emoji_svg_url', 'https://s.w.org/images/core/emoji/2/svg/' );
137
138	$urls = array_diff( $urls, [ $emoji_svg_url ] );
139	}
140
141	return $urls;
142	}
143
144
145	}
146