image-optimization / image-optimization.php

image-optimization.php in Image Optimizer – Compress Images and Convert to WebP or AVIF 1.2.1, at image-optimization.php

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1	<?php
2	/**
3	* Plugin Name: Image Optimizer by Elementor – Compress, Resize and Optimize Images
4	* Description: Automatically compress and enhance your images, boosting your website speed, appearance, and SEO. Get Image Optimizer and optimize your images in seconds.
5	* Plugin URI: https://go.elementor.com/wp-repo-description-tab-io-product-page/
6	* Version: 1.2.1
7	* Author: Elementor.com
8	* Author URI: https://go.elementor.com/wp-repo-description-tab-io-author-url/
9	* Text Domain: image-optimization
10	* License: GPL-3
11	* License URI: https://www.gnu.org/licenses/gpl-3.0.en.html
12	*/
13
14	if ( ! defined( 'ABSPATH' ) ) {
15	exit; // Exit if accessed directly.
16	}
17
18	define( 'IMAGE_OPTIMIZATION_VERSION', '1.2.1' );
19	define( 'IMAGE_OPTIMIZATION_PATH', plugin_dir_path( __FILE__ ) );
20	define( 'IMAGE_OPTIMIZATION_URL', plugins_url( '/', __FILE__ ) );
21	define( 'IMAGE_OPTIMIZATION_ASSETS_PATH', IMAGE_OPTIMIZATION_PATH . 'assets/' );
22	define( 'IMAGE_OPTIMIZATION_ASSETS_URL', IMAGE_OPTIMIZATION_URL . 'assets/' );
23	define( 'IMAGE_OPTIMIZATION_PLUGIN_FILE', basename( __FILE__ ) );
24
25	/**
26	* ImageOptimization Class
27	*/
28	final class ImageOptimization {
29	private $requirements_errors = [];
30	const REQUIRED_EXTENSIONS = [
31	'exif',
32	'fileinfo',
33	'gd',
34	];
35
36	/**
37	* Constructor
38	*
39	* @access public
40	*/
41	public function __construct() {
42	// Load translation
43	add_action( 'init', [ $this, 'i18n' ] );
44
45	// Init Plugin
46	add_action( 'plugins_loaded', [ $this, 'init' ], -11 );
47	}
48
49	/**
50	* Load Textdomain
51	*
52	* Load plugin localization files.
53	* Fired by `init` action hook.
54	*
55	* @access public
56	*/
57	public function i18n() {
58	load_plugin_textdomain( 'image-optimization' );
59	}
60
61	/**
62	* Checks if all requirements met to safely start the plugin and renders admin notices
63	* if something is not right.
64	*
65	* @return bool
66	*/
67	public function plugin_can_start(): bool {
68	$can_start = true;
69
70	if ( ! version_compare( PHP_VERSION, '7.4', '>=' ) ) {
71	/* translators: 1: PHP version. 2: Link opening tag, 3: Link closing tag. */
72	$this->requirements_errors[] = sprintf(
73	esc_html__( 'PHP is outdated. Update to PHP version %1$s. %2$sShow me how%3$s', 'image-optimization' ),
74	'7.4',
75	'<a href="https://go.elementor.com/wp-dash-update-php/" target="_blank">',
76	'</a>'
77	);
78
79	$can_start = false;
80	}
81
82	if ( count( $this->get_missing_extensions_list() ) ) {
83	$missed_extensions = $this->get_missing_extensions_list();
84
85	$this->requirements_errors[] = sprintf(
86	esc_html__( 'The following required PHP extensions are missing: %s', 'image-optimization' ),
87	implode( ', ', $missed_extensions )
88	);
89
90	$can_start = false;
91	}
92
93	if ( ! $this->is_db_json_supported() ) {
94	$this->requirements_errors[] = sprintf(
95	/* translators: 1: MySQL minimum version. 2: MariaDB minimum version. */
96	esc_html__(
97	'The database server version is outdated. Update to MySQL version %1$s or MariaDB version %2$s',
98	'image-optimization'
99	),
100	'5.7',
101	'10.2'
102	);
103
104	$can_start = false;
105	}
106
107	$upload_dir = wp_upload_dir();
108
109	if ( ! wp_is_writable( $upload_dir['basedir'] ) ) {
110	$this->requirements_errors[] = esc_html__(
111	'Your site doesn’t have the necessary read/write permissions for your file system to use this plugin. Please contact your hosting provider to resolve this matter.',
112	'image-optimization',
113	);
114
115	$can_start = false;
116	}
117
118	return $can_start;
119	}
120
121	/**
122	* Returns an array of non-loaded extensions mentioned in self::REQUIRED_EXTENSIONS.
123	*
124	* @return array Missed extensions.
125	*/
126	private function get_missing_extensions_list(): array {
127	$output = [];
128
129	foreach ( self::REQUIRED_EXTENSIONS as $extension ) {
130	if ( ! extension_loaded( $extension ) ) {
131	$output[] = $extension;
132	}
133	}
134
135	return $output;
136	}
137
138	public function is_db_json_supported(): bool {
139	global $wpdb;
140
141	$result = $wpdb->query("
142	SELECT JSON_EXTRACT('[1, 2]', '$[1]');
143	");
144
145	return false !== $result;
146	}
147
148	/**
149	* Renders an admin notice if the setup did not meet requirements.
150	*
151	* @return void
152	*/
153	public function add_requirements_error() {
154	$message = sprintf(
155	/* translators: 1: `<h3>` opening tag, 2: `</h3>` closing tag */
156	esc_html__( '%1$sImage Optimizer isn’t running because:%2$s', 'image-optimization' ),
157	'<h3>',
158	'</h3>'
159	);
160
161	$message .= '<ul>';
162
163	foreach ( $this->requirements_errors as $error ) {
164	$message .= sprintf(
165	'%s%s%s',
166	'<li>',
167	$error,
168	'</li>'
169	);
170	}
171
172	$message .= '</ul>';
173
174	$html_message = sprintf( '<div class="error">%s</div>', wpautop( $message ) );
175
176	echo wp_kses_post( $html_message );
177	}
178
179	/**
180	* Initialize the plugin
181	*
182	* Validates that PHP version is sufficient.
183	* Checks for basic plugin requirements, if one check fail don't continue,
184	* if all check have passed include the plugin class.
185	*
186	* Fired by `plugins_loaded` action hook.
187	*
188	* @access public
189	*/
190	public function init() {
191	if ( ! $this->plugin_can_start() ) {
192	add_action( 'admin_notices', [ $this, 'add_requirements_error' ] );
193	} else {
194	// Once we get here, We have passed all validation checks, so we can safely include our plugin
195	require_once 'plugin.php';
196	}
197	}
198	}
199
200	// Instantiate ImageOptimization..
201	new ImageOptimization();
202