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

bbp-core-update.php in bbPress 2.0-rc-3, 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	* @global bbPress $bbp
18	* @uses get_option()
19	* @return bool True if update, False if not
20	*/
21	function bbp_is_update() {
22	global $bbp;
23
24	// Current DB version of this site (per site in a multisite network)
25	$current_db = get_option( '_bbp_db_version' );
26
27	// Compare versions (cast as int and bool to be safe)
28	$is_update = (bool) ( (int) $current_db < (int) $bbp->db_version );
29
30	// Return the product of version comparison
31	return $is_update;
32	}
33
34	/**
35	* Determine if bbPress is being activated
36	*
37	* @since bbPress (r3421)
38	* @global bbPress $bbp
39	* @return bool True if activating bbPress, false if not
40	*/
41	function bbp_is_activation( $basename = '' ) {
42	global $bbp;
43
44	// Baif if action or plugin are empty
45	if ( empty( $_GET['action'] ) \|\| empty( $_GET['plugin'] ) )
46	return false;
47
48	// Bail if not activating
49	if ( 'activate' !== $_GET['action'] )
50	return false;
51
52	// The plugin being activated
53	$plugin = isset( $_GET['plugin'] ) ? $_GET['plugin'] : '';
54
55	// Set basename if empty
56	if ( empty( $basename ) && !empty( $bbp->basename ) )
57	$basename = $bbp->basename;
58
59	// Bail if no basename
60	if ( empty( $basename ) )
61	return false;
62
63	// Bail if plugin is not bbPress
64	if ( $basename !== $_GET['plugin'] )
65	return false;
66
67	return true;
68	}
69
70	/**
71	* Determine if bbPress is being deactivated
72	*
73	* @since bbPress (r3421)
74	* @global bbPress $bbp
75	* @return bool True if deactivating bbPress, false if not
76	*/
77	function bbp_is_deactivation( $basename = '' ) {
78	global $bbp;
79
80	// Baif if action or plugin are empty
81	if ( empty( $_GET['action'] ) \|\| empty( $_GET['plugin'] ) )
82	return false;
83
84	// Bail if not deactivating
85	if ( 'deactivate' !== $_GET['action'] )
86	return false;
87
88	// The plugin being deactivated
89	$plugin = isset( $_GET['plugin'] ) ? $_GET['plugin'] : '';
90
91	// Set basename if empty
92	if ( empty( $basename ) && !empty( $bbp->basename ) )
93	$basename = $bbp->basename;
94
95	// Bail if no basename
96	if ( empty( $basename ) )
97	return false;
98
99	// Bail if plugin is not bbPress
100	if ( $basename !== $plugin )
101	return false;
102
103	return true;
104	}
105
106	/**
107	* Update the DB to the latest version
108	*
109	* @since bbPress (r3421)
110	* @uses update_option()
111	*/
112	function bbp_version_bump() {
113	global $bbp;
114
115	update_option( '_bbp_db_version', $bbp->db_version );
116	}
117
118	/**
119	* Setup the bbPress updater
120	*
121	* @since bbPress (r3419)
122	*
123	* @global bbPress $bbp
124	* @uses BBP_Updater
125	*/
126	function bbp_setup_updater() {
127
128	// Are we running an outdated version of bbPress?
129	if ( bbp_is_update() ) {
130
131	// Bump the version
132	bbp_version_bump();
133
134	// Run the deactivation function to wipe roles, caps, and rewrite rules
135	bbp_deactivation();
136
137	// Run the activation function to reset roles, caps, and rewrite rules
138	bbp_activation();
139	}
140	}
141
142	?>
143