html-forms / src / admin / class-migrations.php

class-migrations.php in HTML Forms – Simple WordPress Forms Plugin 1.3.27, at src/admin/class-migrations.php

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1	<?php
2
3	namespace HTML_Forms\Admin;
4
5	/**
6	* Class Migrations
7	*
8	* This class takes care of loading migration files from the specified migrations directory.
9	* Migration files should only use default WP functions and NOT use code which might not be there in the future.
10	*
11	* @ignore
12	*/
13	class Migrations {
14
15	/**
16	* @var float
17	*/
18	protected $version_from = 0;
19
20	/**
21	* @var float
22	*/
23	protected $version_to = 0;
24
25	/**
26	* @var string
27	*/
28	protected $migrations_dir = '';
29
30	/**
31	* @param string $from
32	* @param string $to
33	* @param string $migrations_dir
34	*/
35	public function __construct( $from, $to, $migrations_dir ) {
36	$this->version_from = $from;
37	$this->version_to = $to;
38	$this->migrations_dir = $migrations_dir;
39	}
40
41	/**
42	* Run the various upgrade routines, all the way up to the latest version
43	*/
44	public function run() {
45	$migrations = $this->find_migrations();
46
47	// run in function for scope
48	array_map( array( $this, 'run_migration' ), $migrations );
49	}
50
51	/**
52	* @return array
53	*/
54	public function find_migrations() {
55
56	$files = glob( rtrim( $this->migrations_dir, '/' ) . '/*.php' );
57	$migrations = array();
58
59	// return empty array when glob returns non-array value.
60	if ( ! is_array( $files ) ) {
61	return $migrations;
62	}
63
64	foreach ( $files as $file ) {
65	$migration = basename( $file );
66	$parts = explode( '-', $migration );
67	$version = $parts[0];
68
69	if ( version_compare( $this->version_from, $version, '<' ) ) {
70	$migrations[] = $file;
71	}
72	}
73
74	return $migrations;
75	}
76
77	/**
78	* Include a migration file and runs it.
79	*
80	* @param string $file
81	*/
82	protected function run_migration( $file ) {
83	include $file;
84	}
85
86	}
87