Collection.php — Admin Columns 4.7.19

codepress-admin-columns / classes / Collection.php

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Collection.php

125 lines

1	<?php
2
3	namespace AC;
4
5	use Iterator;
6
7	/**
8	* Used to hold values from the same type
9	*/
10	class Collection
11	implements Iterator {
12
13	/**
14	* @var array
15	*/
16	protected $items;
17
18	public function __construct( array $items = [] ) {
19	$this->items = $items;
20	}
21
22	public function all() {
23	return $this->items;
24	}
25
26	public function has( $key ) {
27	return isset( $this->items[ $key ] );
28	}
29
30	public function put( $key, $value ) {
31	$this->items[ $key ] = $value;
32
33	return $this;
34	}
35
36	public function push( $value ) {
37	$this->items[] = $value;
38	}
39
40	public function get( $key, $default = null ) {
41	if ( $this->has( $key ) ) {
42	return $this->items[ $key ];
43	}
44
45	return $default;
46	}
47
48	public function __get( $key ) {
49	return $this->get( $key );
50	}
51
52	#[\ReturnTypeWillChange]
53	public function rewind() {
54	reset( $this->items );
55	}
56
57	public function first() {
58	return reset( $this->items );
59	}
60
61	#[\ReturnTypeWillChange]
62	public function current() {
63	return current( $this->items );
64	}
65
66	#[\ReturnTypeWillChange]
67	public function key() {
68	return key( $this->items );
69	}
70
71	#[\ReturnTypeWillChange]
72	public function next() {
73	return next( $this->items );
74	}
75
76	public function get_copy() {
77	return $this->items;
78	}
79
80	#[\ReturnTypeWillChange]
81	public function valid() {
82	$key = $this->key();
83
84	return ( $key !== null && $key !== false );
85	}
86
87	public function count() {
88	return count( $this->items );
89	}
90
91	/**
92	* Filter collection items
93	* @return Collection
94	*/
95	public function filter() {
96	return new Collection( ac_helper()->array->filter( $this->items ) );
97	}
98
99	/**
100	* Limit array to max number of items
101	*
102	* @param int $length
103	*
104	* @return int Number of removed items
105	*/
106	public function limit( $length ) {
107	$count = $this->count();
108
109	if ( 0 < $length ) {
110	$this->items = array_slice( $this->items, 0, $length );
111	}
112
113	return $count - $this->count();
114	}
115
116	/**
117	* @param string $glue
118	*
119	* @return string
120	*/
121	public function implode( $glue = '' ) {
122	return implode( $glue, $this->items );
123	}
124
125	}