DBUpdates.php — Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content – ProfilePress 3.0

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DBUpdates.php

66 lines

1	<?php
2
3	namespace ProfilePress\Core;
4
5	class DBUpdates
6	{
7	public static $instance;
8
9	const DB_VER = 0;
10
11	public function init_options()
12	{
13	get_option('ppress_db_ver', 0);
14	}
15
16	public function maybe_update()
17	{
18	$this->init_options();
19
20	if (get_option('ppress_db_ver') >= self::DB_VER) {
21	return;
22	}
23
24	// update plugin
25	$this->update();
26	}
27
28	public function update()
29	{
30	// no PHP timeout for running updates
31	set_time_limit(0);
32
33	// this is the current database schema version number
34	$current_db_ver = get_option('ppress_db_ver', 0);
35
36	// this is the target version that we need to reach
37	$target_db_ver = self::DB_VER;
38
39	// run update routines one by one until the current version number
40	// reaches the target version number
41	while ($current_db_ver < $target_db_ver) {
42	// increment the current db_ver by one
43	$current_db_ver++;
44
45	// each db version will require a separate update function
46	$update_method = "ppress_update_routine_{$current_db_ver}";
47
48	if (method_exists($this, $update_method)) {
49	call_user_func(array($this, $update_method));
50	}
51
52	// update the option in the database, so that this process can always
53	// pick up where it left off
54	update_option('ppress_db_ver', $current_db_ver);
55	}
56	}
57
58	public static function get_instance()
59	{
60	if ( ! isset(self::$instance)) {
61	self::$instance = new self();
62	}
63
64	return self::$instance;
65	}
66	}