ghostkit / classes / class-deactivate-duplicate-plugin.php

class-deactivate-duplicate-plugin.php in Block Animations, Motion & Scroll Effects – Ghost Kit 3.7.1, at classes/class-deactivate-duplicate-plugin.php

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1	<?php
2	/**
3	* Deactivates a copy of Ghost Kit that cannot run next to Ghost Kit Pro.
4	*
5	* @package ghostkit/deactivate-duplicate-plugin
6	*/
7
8	if ( ! defined( 'ABSPATH' ) ) {
9	exit;
10	}
11
12	/**
13	* Class GhostKit_Deactivate_Duplicate_Plugin
14	*/
15	class GhostKit_Deactivate_Duplicate_Plugin {
16	/**
17	* Basename of the free plugin.
18	*/
19	const FREE_PLUGIN = 'ghostkit/class-ghost-kit.php';
20
21	/**
22	* Basename of the Pro plugin.
23	*/
24	const PRO_PLUGIN = 'ghostkit-pro/class-ghost-kit-pro.php';
25
26	/**
27	* First version of the free plugin that steps aside on its own when the Pro plugin
28	* is active. Older ones declare the core class a second time instead, so they cannot
29	* stay active next to it.
30	*
31	* `version_compare()` ranks a pre-release below the release it precedes, so the
32	* `-alpha` suffix is what lets a beta or an RC of that version through.
33	*/
34	const FREE_PLUGIN_MIN_VERSION = '3.7.1-alpha';
35
36	/**
37	* GhostKit_Deactivate_Duplicate_Plugin constructor.
38	*/
39	public function __construct() {
40	add_action( 'activated_plugin', array( $this, 'deactivate_outdated_free_plugin' ) );
41	add_action( 'pre_current_active_plugins', array( $this, 'plugin_deactivated_notice' ) );
42	}
43
44	/**
45	* Deactivates the free plugin when the Pro plugin is active and the free copy is too
46	* old to step aside by itself. Hooked on `activated_plugin`, so it runs whichever of
47	* the two was just switched on.
48	*
49	* @param string $plugin The plugin being activated.
50	*/
51	public function deactivate_outdated_free_plugin( $plugin ) {
52	if ( ! in_array( $plugin, array( self::FREE_PLUGIN, self::PRO_PLUGIN ), true ) ) {
53	return;
54	}
55
56	$active_plugins = (array) get_option( 'active_plugins', array() );
57
58	if ( is_multisite() ) {
59	$active_plugins = array_merge(
60	$active_plugins,
61	array_keys( (array) get_site_option( 'active_sitewide_plugins', array() ) )
62	);
63	}
64
65	if (
66	! in_array( self::FREE_PLUGIN, $active_plugins, true ) \|\|
67	! in_array( self::PRO_PLUGIN, $active_plugins, true )
68	) {
69	return;
70	}
71
72	$free_plugin_file = WP_PLUGIN_DIR . '/' . self::FREE_PLUGIN;
73
74	// `active_plugins` keeps naming a plugin whose directory was removed by hand,
75	// and `get_plugin_data()` reads the file without checking that it is there.
76	if ( ! file_exists( $free_plugin_file ) ) {
77	return;
78	}
79
80	if ( ! function_exists( 'get_plugin_data' ) ) {
81	require_once ABSPATH . 'wp-admin/includes/plugin.php';
82	}
83
84	$free_plugin_data = get_plugin_data( $free_plugin_file, false, false );
85
86	if (
87	empty( $free_plugin_data['Version'] ) \|\|
88	version_compare( $free_plugin_data['Version'], self::FREE_PLUGIN_MIN_VERSION, '>=' )
89	) {
90	return;
91	}
92
93	set_transient( 'gkt_deactivated_notice_id', 1, 1 * HOUR_IN_SECONDS );
94
95	deactivate_plugins( self::FREE_PLUGIN );
96	}
97
98	/**
99	* Displays a notice when Ghost Kit is automatically deactivated.
100	*/
101	public function plugin_deactivated_notice() {
102	if ( 1 !== (int) get_transient( 'gkt_deactivated_notice_id' ) ) {
103	return;
104	}
105
106	?>
107	<div class="notice notice-warning">
108	<p>
109	<?php
110	esc_html_e(
111	"This version of Ghost Kit is too old to run next to Ghost Kit Pro. We've automatically deactivated Ghost Kit.",
112	'ghostkit'
113	);
114	?>
115	</p>
116	</div>
117	<?php
118
119	delete_transient( 'gkt_deactivated_notice_id' );
120	}
121	}
122
123	new GhostKit_Deactivate_Duplicate_Plugin();
124