polylang / install / install.php

install.php in Polylang 3.7.3, at install/install.php

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1	<?php
2	/**
3	* @package Polylang
4	*/
5
6	use WP_Syntex\Polylang\Options\Options;
7	use WP_Syntex\Polylang\Options\Registry as Options_Registry;
8
9	/**
10	* Polylang activation / de-activation class
11	*
12	* @since 1.7
13	*/
14	class PLL_Install extends PLL_Install_Base {
15
16	/**
17	* Checks min PHP and WP version, displays a notice if a requirement is not met.
18	*
19	* @since 2.6.7
20	*
21	* @return bool
22	*/
23	public function can_activate() {
24	global $wp_version;
25
26	if ( version_compare( PHP_VERSION, PLL_MIN_PHP_VERSION, '<' ) ) {
27	add_action( 'admin_notices', array( $this, 'php_version_notice' ) );
28	return false;
29	}
30
31	if ( version_compare( $wp_version, PLL_MIN_WP_VERSION, '<' ) ) {
32	add_action( 'admin_notices', array( $this, 'wp_version_notice' ) );
33	return false;
34	}
35
36	return true;
37	}
38
39	/**
40	* Displays a notice if PHP min version is not met.
41	*
42	* @since 2.6.7
43	*
44	* @return void
45	*/
46	public function php_version_notice() {
47	load_plugin_textdomain( 'polylang' ); // Plugin i18n.
48
49	printf(
50	'<div class="error"><p>%s</p></div>',
51	sprintf(
52	/* translators: 1: Plugin name 2: Current PHP version 3: Required PHP version */
53	esc_html__( '%1$s has deactivated itself because you are using an old version of PHP. You are using using PHP %2$s. %1$s requires PHP %3$s.', 'polylang' ),
54	esc_html( POLYLANG ),
55	PHP_VERSION,
56	esc_html( PLL_MIN_PHP_VERSION )
57	)
58	);
59	}
60
61	/**
62	* Displays a notice if WP min version is not met.
63	*
64	* @since 2.6.7
65	*
66	* @return void
67	*/
68	public function wp_version_notice() {
69	global $wp_version;
70
71	load_plugin_textdomain( 'polylang' ); // Plugin i18n.
72
73	printf(
74	'<div class="error"><p>%s</p></div>',
75	sprintf(
76	/* translators: 1: Plugin name 2: Current WordPress version 3: Required WordPress version */
77	esc_html__( '%1$s has deactivated itself because you are using an old version of WordPress. You are using using WordPress %2$s. %1$s requires at least WordPress %3$s.', 'polylang' ),
78	esc_html( POLYLANG ),
79	esc_html( $wp_version ),
80	esc_html( PLL_MIN_WP_VERSION )
81	)
82	);
83	}
84
85	/**
86	* Plugin activation
87	*
88	* @since 0.5
89	*
90	* @return void
91	*/
92	protected function _activate() {
93	add_action( 'pll_init_options_for_blog', array( Options_Registry::class, 'register' ) );
94	$options = new Options();
95
96	if ( ! empty( $options['version'] ) ) {
97	// Check if we will be able to upgrade.
98	if ( version_compare( $options['version'], POLYLANG_VERSION, '<' ) ) {
99	( new PLL_Upgrade( $options ) )->can_activate();
100	}
101	} else {
102	$options['version'] = POLYLANG_VERSION;
103	}
104
105	$options->save(); // Force save here to prevent any conflicts with another instance of `Options`.
106
107	if ( false === get_option( 'pll_language_from_content_available' ) ) {
108	update_option(
109	'pll_language_from_content_available',
110	0 === $options['force_lang'] ? 'yes' : 'no'
111	);
112	}
113
114	// Avoid 1 query on every pages if no wpml strings is registered
115	if ( ! get_option( 'polylang_wpml_strings' ) ) {
116	update_option( 'polylang_wpml_strings', array() );
117	}
118
119	// Don't use flush_rewrite_rules at network activation. See #32471
120	// Thanks to RavanH for the trick. See https://polylang.wordpress.com/2015/06/10/polylang-1-7-6-and-multisite/
121	// Rewrite rules are created at next page load :)
122	delete_option( 'rewrite_rules' );
123	}
124
125	/**
126	* Plugin deactivation
127	*
128	* @since 0.5
129	*
130	* @return void
131	*/
132	protected function _deactivate() {
133	delete_option( 'rewrite_rules' ); // Don't use flush_rewrite_rules at network activation. See #32471
134	}
135	}
136