ablocks / includes / autoload.php

autoload.php in aBlocks – Gutenberg Blocks, User Dashboard Builder, Popup Builder, Form Builder & Animation Builder trunk, at includes/autoload.php

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1	<?php
2	namespace ABlocks;
3
4	if ( ! defined( 'ABSPATH' ) ) {
5	exit; // Exit if accessed directly.
6	}
7
8	class Autoload {
9
10	/**
11	* Instance
12	*
13	* @access private
14	* @var object Class Instance.
15	* @since 1.1.0
16	*/
17	private static $instance;
18
19	/**
20	* Autoload directories for different namespaces.
21	*
22	* @var array
23	*/
24	private $autoload_directories = array(
25	'ABlocks' => ABLOCKS_ROOT_DIR_PATH . 'includes/',
26	);
27
28	/**
29	* Initiator
30	*
31	* @since 1.1.0
32	* @return object initialized object of class.
33	*/
34	public static function get_instance() {
35	if ( ! isset( self::$instance ) ) {
36	self::$instance = new self();
37	}
38	return self::$instance;
39	}
40
41	/**
42	* Register autoload directories for namespaces.
43	*
44	* @param string $namespace Namespace to autoload.
45	* @param string $directory Directory path for the namespace.
46	*/
47	public function add_namespace_directory( $namespace, $directory ) {
48	$this->autoload_directories[ $namespace ] = $directory;
49	}
50
51	/**
52	* Autoload classes.
53	*
54	* @param string $class Class name.
55	*/
56	public function autoload( $class ) {
57	foreach ( $this->autoload_directories as $namespace => $directory ) {
58	if ( 0 === strpos( $class, $namespace ) ) {
59	$class_to_load = $class;
60	$filename = strtolower(
61	preg_replace(
62	[ '/^' . $namespace . '\\\/', '/([a-z])([A-Z])/', '/_/', '/\\\/' ],
63	[ '', '$1-$2', '-', DIRECTORY_SEPARATOR ],
64	$class_to_load
65	)
66	);
67	$file = $directory . $filename . '.php';
68	// If the file is readable, include it.
69	if ( is_readable( $file ) ) {
70	require_once $file;
71	}
72	}
73	}
74	}
75
76	/**
77	* Constructor
78	*
79	* @since 1.1.0
80	*/
81	public function __construct() {
82	spl_autoload_register( [ $this, 'autoload' ] );
83	}
84	}
85
86
87	Autoload::get_instance();
88