bbpress / bbp-includes / bbp-core-update.php

bbp-core-update.php in bbPress 2.0.2, at bbp-includes/bbp-core-update.php

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1	<?php
2
3	/**
4	* bbPress Updater
5	*
6	* @package bbPress
7	* @subpackage Updater
8	*/
9
10	// Exit if accessed directly
11	if ( !defined( 'ABSPATH' ) ) exit;
12
13	/**
14	* Compare the bbPress version to the DB version to determine if updating
15	*
16	* @since bbPress (r3421)
17	*
18	* @uses get_option()
19	* @uses bbp_get_db_version() To get bbPress's database version
20	* @return bool True if update, False if not
21	*/
22	function bbp_is_update() {
23
24	// Current DB version of this site (per site in a multisite network)
25	$current_db = get_option( '_bbp_db_version' );
26	$current_live = bbp_get_db_version();
27
28	// Compare versions (cast as int and bool to be safe)
29	$is_update = (bool) ( (int) $current_db < (int) $current_live );
30
31	// Return the product of version comparison
32	return $is_update;
33	}
34
35	/**
36	* Determine if bbPress is being activated
37	*
38	* @since bbPress (r3421)
39	*
40	* @global bbPress $bbp
41	* @return bool True if activating bbPress, false if not
42	*/
43	function bbp_is_activation( $basename = '' ) {
44	global $bbp;
45
46	// Baif if action or plugin are empty
47	if ( empty( $_GET['action'] ) \|\| empty( $_GET['plugin'] ) )
48	return false;
49
50	// Bail if not activating
51	if ( 'activate' !== $_GET['action'] )
52	return false;
53
54	// The plugin being activated
55	$plugin = isset( $_GET['plugin'] ) ? $_GET['plugin'] : '';
56
57	// Set basename if empty
58	if ( empty( $basename ) && !empty( $bbp->basename ) )
59	$basename = $bbp->basename;
60
61	// Bail if no basename
62	if ( empty( $basename ) )
63	return false;
64
65	// Bail if plugin is not bbPress
66	if ( $basename !== $_GET['plugin'] )
67	return false;
68
69	return true;
70	}
71
72	/**
73	* Determine if bbPress is being deactivated
74	*
75	* @since bbPress (r3421)
76	* @global bbPress $bbp
77	* @return bool True if deactivating bbPress, false if not
78	*/
79	function bbp_is_deactivation( $basename = '' ) {
80	global $bbp;
81
82	// Baif if action or plugin are empty
83	if ( empty( $_GET['action'] ) \|\| empty( $_GET['plugin'] ) )
84	return false;
85
86	// Bail if not deactivating
87	if ( 'deactivate' !== $_GET['action'] )
88	return false;
89
90	// The plugin being deactivated
91	$plugin = isset( $_GET['plugin'] ) ? $_GET['plugin'] : '';
92
93	// Set basename if empty
94	if ( empty( $basename ) && !empty( $bbp->basename ) )
95	$basename = $bbp->basename;
96
97	// Bail if no basename
98	if ( empty( $basename ) )
99	return false;
100
101	// Bail if plugin is not bbPress
102	if ( $basename !== $plugin )
103	return false;
104
105	return true;
106	}
107
108	/**
109	* Update the DB to the latest version
110	*
111	* @since bbPress (r3421)
112	* @uses update_option()
113	* @uses bbp_get_db_version() To get bbPress's database version
114	*/
115	function bbp_version_bump() {
116	$db_version = bbp_get_db_version();
117	update_option( '_bbp_db_version', $db_version );
118	}
119
120	/**
121	* Setup the bbPress updater
122	*
123	* @since bbPress (r3419)
124	*
125	* @global bbPress $bbp
126	* @uses BBP_Updater
127	*/
128	function bbp_setup_updater() {
129
130	// Are we running an outdated version of bbPress?
131	if ( bbp_is_update() ) {
132
133	// Bump the version
134	bbp_version_bump();
135
136	// Run the deactivation function to wipe roles, caps, and rewrite rules
137	bbp_deactivation();
138
139	// Run the activation function to reset roles, caps, and rewrite rules
140	bbp_activation();
141	}
142	}
143
144	?>
145