polylang / install / install-base.php

install-base.php in Polylang 2.0.3, at install/install-base.php

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1	<?php
2
3	/**
4	* a generic activation / de-activation class compatble with multisite
5	*
6	* @since 1.7
7	*/
8	class PLL_Install_Base {
9	protected $plugin_basename;
10
11	/**
12	* constructor
13	*
14	* @since 1.7
15	*/
16	public function __construct( $plugin_basename ) {
17	$this->plugin_basename = $plugin_basename;
18
19	// manages plugin activation and deactivation
20	register_activation_hook( $plugin_basename, array( $this, 'activate' ) );
21	register_deactivation_hook( $plugin_basename, array( $this, 'deactivate' ) );
22
23	// blog creation on multisite
24	add_action( 'wpmu_new_blog', array( $this, 'wpmu_new_blog' ), 5 ); // before WP attempts to send mails which can break on some PHP versions
25	}
26
27	/**
28	* allows to detect plugin deactivation
29	*
30	* @since 1.7
31	*
32	* @return bool true if the plugin is currently beeing deactivated
33	*/
34	public function is_deactivation() {
35	return isset( $_GET['action'], $_GET['plugin'] ) && 'deactivate' == $_GET['action'] && $this->plugin_basename == $_GET['plugin'];
36	}
37
38	/**
39	* activation or deactivation for all blogs
40	*
41	* @since 1.2
42	*
43	* @param string $what either 'activate' or 'deactivate'
44	*/
45	protected function do_for_all_blogs( $what, $networkwide ) {
46	// network
47	if ( is_multisite() && $networkwide ) {
48	global $wpdb;
49
50	foreach ( $wpdb->get_col( "SELECT blog_id FROM $wpdb->blogs" ) as $blog_id ) {
51	switch_to_blog( $blog_id );
52	'activate' == $what ? $this->_activate() : $this->_deactivate();
53	}
54	restore_current_blog();
55	}
56
57	// single blog
58	else {
59	'activate' == $what ? $this->_activate() : $this->_deactivate();
60	}
61	}
62
63	/**
64	* plugin activation for multisite
65	*
66	* @since 1.7
67	*/
68	public function activate( $networkwide ) {
69	$this->do_for_all_blogs( 'activate', $networkwide );
70	}
71
72	/**
73	* plugin activation
74	*
75	* @since 0.5
76	*/
77	protected function _activate() {
78	// can be overriden in child class
79	}
80
81	/**
82	* plugin deactivation for multisite
83	*
84	* @since 0.1
85	*/
86	public function deactivate( $networkwide ) {
87	$this->do_for_all_blogs( 'deactivate', $networkwide );
88	}
89
90	/**
91	* plugin deactivation
92	*
93	* @since 0.5
94	*/
95	protected function _deactivate() {
96	// can be overriden in child class
97	}
98
99	/**
100	* blog creation on multisite ( to set default options )
101	*
102	* @since 0.9.4
103	*
104	* @param int $blog_id
105	*/
106	public function wpmu_new_blog( $blog_id ) {
107	switch_to_blog( $blog_id );
108	$this->_activate();
109	restore_current_blog();
110	}
111	}
112