wp-ultimate-post-grid / includes / public / class-wpupg-item-manager.php

class-wpupg-item-manager.php in WP Ultimate Post Grid 4.0.1, at includes/public/class-wpupg-item-manager.php

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1	<?php
2	/**
3	* Responsible for returning items.
4	*
5	* @link https://bootstrapped.ventures
6	* @since 3.0.0
7	*
8	* @package WP_Ultimate_Post_Grid
9	* @subpackage WP_Ultimate_Post_Grid/includes/public
10	*/
11
12	/**
13	* Responsible for returning items.
14	*
15	* @since 3.0.0
16	* @package WP_Ultimate_Post_Grid
17	* @subpackage WP_Ultimate_Post_Grid/includes/public
18	* @author Brecht Vandersmissen <[email protected]>
19	*/
20	class WPUPG_Item_Manager {
21
22	/**
23	* Items that have already been requested for easy subsequent access.
24	*
25	* @since 3.0.0
26	* @access private
27	* @var array $items Array containing items that have already been requested for easy access.
28	*/
29	private static $items = array(
30	'posts' => array(),
31	'terms' => array(),
32	);
33
34	/**
35	* Get item object by ID.
36	*
37	* @since 3.0.0
38	* @param mixed $slug_id_post Slug, ID or Post Object for the item we want.
39	* @param mixed $grid_type Type of grid we want to get the item for.
40	*/
41	public static function get_item( $id, $grid_type = 'posts' ) {
42	$id = intval( $id );
43
44	// Only get new item object if it hasn't been retrieved before.
45	if ( ! array_key_exists( $id, self::$items[ $grid_type ] ) ) {
46	if ( 'posts' === $grid_type ) {
47	self::$items[ 'posts' ][ $id ] = new WPUPG_Item_Post( $id );
48	} else {
49	self::$items[ 'terms' ][ $id ] = class_exists( 'WPUPGP_Item_Term' ) ? new WPUPGP_Item_Term( $id ) : new WPUPG_Item( array() );
50	}
51	}
52
53	return self::$items[ $grid_type ][ $id ];
54	}
55
56	/**
57	* Invalidate cached item.
58	*
59	* @since 3.0.0
60	* @param int $id ID of the item to invalidate.
61	* @param mixed $grid_type Type of grid we want to invalidate the item for.
62	*/
63	public static function invalidate_item( $id, $grid_type = 'posts' ) {
64	$id = intval( $id );
65
66	if ( array_key_exists( $id, self::$items[ $grid_type ] ) ) {
67	unset( self::$items[ $grid_type ][ $id ] );
68	}
69	}
70	}
71