image-optimization / image-optimization.php

image-optimization.php in Image Optimization – Compress Images and Convert to WebP or AVIF 1.6.8, at image-optimization.php

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1	<?php
2	/**
3	* Plugin Name: Image Optimizer - Compress, Resize and Optimize Images
4	* Description: Automatically resize, optimize, and convert images to WebP and AVIF. Compress images in bulk or on upload to boost your WordPress site performance.
5	* Plugin URI: https://go.elementor.com/wp-repo-description-tab-io-product-page/
6	* Version: 1.6.8
7	* Author: Elementor.com
8	* Author URI: https://go.elementor.com/author-uri-io/
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	use ImageOptimization\Modules\Core\Module as CoreModule;
15
16	if ( ! defined( 'ABSPATH' ) ) {
17	exit; // Exit if accessed directly.
18	}
19
20	define( 'IMAGE_OPTIMIZATION_VERSION', '1.6.8' );
21	define( 'IMAGE_OPTIMIZATION_FILE', __FILE__ );
22	define( 'IMAGE_OPTIMIZATION_PATH', plugin_dir_path( IMAGE_OPTIMIZATION_FILE ) );
23	define( 'IMAGE_OPTIMIZATION_URL', plugins_url( '/', IMAGE_OPTIMIZATION_FILE ) );
24	define( 'IMAGE_OPTIMIZATION_ASSETS_PATH', IMAGE_OPTIMIZATION_PATH . 'assets/' );
25	define( 'IMAGE_OPTIMIZATION_ASSETS_URL', IMAGE_OPTIMIZATION_URL . 'assets/' );
26	define( 'IMAGE_OPTIMIZATION_PLUGIN_FILE', basename( IMAGE_OPTIMIZATION_FILE ) );
27
28	register_deactivation_hook(
29	__FILE__,
30	[ CoreModule::class, 'on_deactivation' ]
31	);
32
33	/**
34	* ImageOptimization Class
35	*/
36	final class ImageOptimization {
37	private $requirements_errors = [];
38	const REQUIRED_EXTENSIONS = [
39	'exif',
40	'fileinfo',
41	'gd',
42	];
43
44	/**
45	* Constructor
46	*
47	* @access public
48	*/
49	public function __construct() {
50	// Init Plugin
51	add_action( 'plugins_loaded', [ $this, 'init' ], -11 );
52	}
53
54	/**
55	* Checks if all requirements met to safely start the plugin and renders admin notices
56	* if something is not right.
57	*
58	* @access public
59	* @return bool
60	*/
61	public function plugin_can_start(): bool {
62	$can_start = true;
63
64	if ( ! version_compare( PHP_VERSION, '7.4', '>=' ) ) {
65	$this->requirements_errors[] = sprintf(
66	'%1$s <a href="https://go.elementor.com/wp-dash-update-php/" target="_blank">%2$s</a>',
67	sprintf(
68	/* translators: %s: PHP version. */
69	esc_html__( 'Update to PHP version %s and get back to optimizing!', 'image-optimization' ),
70	'7.4',
71	),
72	esc_html__( 'Show me how', 'image-optimization' )
73	);
74
75	$can_start = false;
76	}
77
78	if ( count( $this->get_missing_extensions_list() ) ) {
79	$missed_extensions = $this->get_missing_extensions_list();
80
81	$this->requirements_errors[] = sprintf(
82	esc_html__( 'The following required PHP extensions are missing: %s', 'image-optimization' ),
83	implode( ', ', $missed_extensions )
84	);
85
86	$can_start = false;
87	}
88
89	if ( ! $this->is_db_json_supported() ) {
90	$this->requirements_errors[] = sprintf(
91	/* translators: 1: MySQL minimum version. 2: MariaDB minimum version. */
92	esc_html__(
93	'The database server version is outdated. Update to MySQL version %1$s or MariaDB version %2$s.',
94	'image-optimization'
95	),
96	'5.7',
97	'10.2'
98	);
99
100	$can_start = false;
101	}
102
103	$upload_dir = wp_upload_dir();
104
105	if ( ! wp_is_writable( $upload_dir['basedir'] ) ) {
106	$this->requirements_errors[] = esc_html__(
107	'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.',
108	'image-optimization',
109	);
110
111	$can_start = false;
112	}
113
114	return $can_start;
115	}
116
117	/**
118	* Retrieve an array of missing extensions mentioned in self::REQUIRED_EXTENSIONS.
119	*
120	* @access private
121	* @return array Missing extensions.
122	*/
123	private function get_missing_extensions_list(): array {
124	$output = [];
125
126	foreach ( self::REQUIRED_EXTENSIONS as $extension ) {
127	if ( ! extension_loaded( $extension ) ) {
128	$output[] = $extension;
129	}
130	}
131
132	return $output;
133	}
134
135	/**
136	* The check is strictly based on the action scheduler requirements that needs JSON partial matching to work
137	* with action queries.
138	*
139	* @return bool
140	*/
141	public function is_db_json_supported(): bool {
142	global $wpdb;
143
144	$db_server_info = is_callable( array( $wpdb, 'db_server_info' ) ) ? $wpdb->db_server_info() : $wpdb->db_version();
145
146	if ( false !== strpos( $db_server_info, 'MariaDB' ) ) {
147	$supports_json = version_compare(
148	PHP_VERSION_ID >= 80016 ? $wpdb->db_version() : preg_replace( '/[^0-9.].*/', '', str_replace( '5.5.5-', '', $db_server_info ) ),
149	'10.2',
150	'>='
151	);
152	} else {
153	$supports_json = version_compare( $wpdb->db_version(), '5.7', '>=' );
154	}
155
156	return (bool) $supports_json;
157	}
158
159	/**
160	* Renders an admin notice if the setup did not meet requirements.
161	*
162	* Fired by `admin_notices` action hook.
163	*
164	* @access public
165	* @return void
166	*/
167	public function add_requirements_error() {
168	$message = sprintf(
169	'<h3>%s</h3>',
170	esc_html__( 'Image Optimizer isn’t running because:', 'image-optimization' )
171	);
172
173	$message .= '<ul>';
174
175	foreach ( $this->requirements_errors as $error ) {
176	$message .= sprintf(
177	'%s%s%s',
178	'<li>',
179	$error,
180	'</li>'
181	);
182	}
183
184	$message .= '</ul>';
185
186	$html_message = sprintf( '<div class="error">%s</div>', wpautop( $message ) );
187
188	echo wp_kses_post( $html_message );
189	}
190
191	/**
192	* Initialize the plugin.
193	*
194	* Validates that PHP version is sufficient. Checks for basic plugin requirements,
195	* if one check fail don't continue, if all check have passed include the plugin class.
196	*
197	* Fired by `plugins_loaded` action hook.
198	*
199	* @access public
200	*/
201	public function init() {
202	if ( ! $this->plugin_can_start() ) {
203	add_action( 'admin_notices', [ $this, 'add_requirements_error' ] );
204	} else {
205	// Once we get here, We have passed all validation checks, so we can safely include our plugin
206	require_once 'plugin.php';
207	}
208	}
209	}
210
211	// Instantiate ImageOptimization.
212	new ImageOptimization();
213