charitable / includes / autoloader / class-charitable-registry.php

class-charitable-registry.php in Charitable – Donation & Fundraising Platform (Donation Forms, Recurring Donations & Fundraising Campaigns) 1.8.12.2, at includes/autoloader/class-charitable-registry.php

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1	<?php
2	/**
3	* Responsible for holding instances of Charitable helper objects.
4	*
5	* @package Charitable/Classes/Charitable_Registry
6	* @author David Bisset
7	* @copyright Copyright (c) 2023, WP Charitable LLC
8	* @license http://opensource.org/licenses/gpl-2.0.php GNU Public License
9	* @since 1.5.0
10	* @version 1.6.49
11	*/
12
13	// Exit if accessed directly.
14	if ( ! defined( 'ABSPATH' ) ) {
15	exit;
16	}
17
18	if ( ! class_exists( 'Charitable_Registry' ) ) :
19
20	/**
21	* Charitable_Registry
22	*
23	* @since 1.5.0
24	*/
25	class Charitable_Registry {
26
27	/**
28	* Registered objects.
29	*
30	* @since 1.5.0
31	*
32	* @var array
33	*/
34	private $objects;
35
36	/**
37	* Create class object.
38	*
39	* @since 1.5.0
40	*/
41	public function __construct() {
42	$this->objects = array();
43	}
44
45	/**
46	* Return a registered object.
47	*
48	* @since 1.5.0
49	*
50	* @param string $class The name of the class.
51	* @return object\|false Returns an object if the class exists, otherwise returns false.
52	*/
53	public function get( $class ) {
54	$class_key = $this->get_class_key( $class );
55
56	if ( ! array_key_exists( $class_key, $this->objects ) ) {
57	$this->objects[ $class_key ] = $this->get_class_instance( $this->get_class_name( $class ) );
58	}
59
60	return $this->objects[ $class_key ];
61	}
62
63	/**
64	* Checks whether an object has already been registered.
65	*
66	* @since 1.5.0
67	*
68	* @param string $class The name of the class.
69	* @return boolean
70	*/
71	public function has( $class ) {
72	return array_key_exists( $this->get_class_key( $class ), $this->objects );
73	}
74
75	/**
76	* Register an object that has already been instantiated.
77	*
78	* @since 1.5.0
79	*
80	* @param object $object The object to be registered.
81	* @return void
82	*/
83	public function register_object( $object ) {
84	$class = get_class( $object );
85	$class_key = $this->get_class_key( $class );
86
87	$this->objects[ $class_key ] = $object;
88	}
89
90	/**
91	* Given a class name, returns the key for that class.
92	*
93	* @since 1.5.0
94	*
95	* @param string $class The class name.
96	* @return string
97	*/
98	protected function get_class_key( $class ) {
99	if ( false === strpos( $class, 'Charitable_' ) ) {
100	return $class;
101	}
102
103	return strtolower( str_replace( 'Charitable_', '', $class ) );
104	}
105
106	/**
107	* Return a sanitized class name.
108	*
109	* @since 1.5.0
110	*
111	* @param string $class_key The class to return.
112	* @return string
113	*/
114	protected function get_class_name( $class_key ) {
115	if ( 0 === strpos( $class_key, 'Charitable_' ) \|\| 0 === strpos( $class_key, '\\' ) ) {
116	return $class_key;
117	}
118
119	$class_words = str_replace( '_', ' ', $class_key );
120	$class_words = ucwords( $class_words );
121	return 'Charitable_' . str_replace( ' ', '_', $class_words );
122	}
123
124	/**
125	* Return the class instance.
126	*
127	* @since 1.5.0
128	*
129	* @param string $class The class name.
130	* @return object
131	*/
132	protected function get_class_instance( $class ) {
133	if ( ! class_exists( $class ) ) {
134	/* translators: %s: class name */
135	wp_die( esc_html( sprintf( _x( 'Class %s does not exist.', 'error message when non-existent class is called', 'charitable' ), $class ) ) );
136	}
137
138	return new $class;
139	}
140	}
141
142	endif;
143