learnpress / inc / abstracts / abstract-object-query.php

abstract-object-query.php in LearnPress – WordPress LMS Plugin for Create and Sell Online Courses 4.3.9, at inc/abstracts/abstract-object-query.php

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1	<?php
2
3	/**
4	* Class LP_Object_Query
5	*
6	* Base class for query functionality on post type object.
7	*
8	* @since 3.3.0
9	*/
10	abstract class LP_Object_Query {
11	/**
12	* @var array
13	*/
14	protected $query_vars = array();
15
16	/**
17	* LP_Object_Query constructor.
18	*
19	* @param array $args
20	*/
21	public function __construct( $args = array() ) {
22
23	$this->query_vars = wp_parse_args( $args, $this->get_default_query_vars() );
24	}
25
26	/**
27	* Get all query vars.
28	*
29	* @return array
30	* @since 3.3.0
31	*/
32	public function get_query_vars() {
33	return $this->query_vars;
34	}
35
36	/**
37	* Get value of a query var by key.
38	*
39	* @param string $var_name
40	* @param string $default
41	*
42	* @return mixed\|string
43	* @since 3.3.0
44	*/
45	public function get( $var_name, $default = '' ) {
46	if ( isset( $this->query_vars[ $var_name ] ) ) {
47	return $this->query_vars[ $var_name ];
48	}
49
50	return $default;
51	}
52
53	/**
54	* Set new value for query var.
55	*
56	* @param string $var_name
57	* @param mixed $value
58	* @param bool $overwrite
59	*
60	* @since 3.3.0
61	*/
62	public function set( $var_name, $value, $overwrite = false ) {
63
64	if ( $overwrite \|\| ! isset( $this->query_vars[ $var_name ] ) ) {
65	$this->query_vars[ $var_name ] = $value;
66	}
67	}
68
69	/**
70	* Get default query vars.
71	*
72	* @return array
73	* @since 3.3.0
74	*/
75	protected function get_default_query_vars() {
76	return array(
77	'name' => '',
78	'parent' => '',
79	'parent_exclude' => '',
80	'exclude' => '',
81	'limit' => get_option( 'posts_per_page' ),
82	'paged' => 1,
83	'offset' => '',
84	'paginate' => false,
85	'order' => 'DESC',
86	'orderby' => 'date',
87	'return' => 'objects',
88	);
89	}
90	}
91