Collection.php — Admin Columns 4.1.6

codepress-admin-columns / classes / Collection.php

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Collection.php

120 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	public function rewind() {
53	reset( $this->items );
54	}
55
56	public function first() {
57	return reset( $this->items );
58	}
59
60	public function current() {
61	return current( $this->items );
62	}
63
64	public function key() {
65	return key( $this->items );
66	}
67
68	public function next() {
69	return next( $this->items );
70	}
71
72	public function get_copy() {
73	return $this->items;
74	}
75
76	public function valid() {
77	$key = $this->key();
78
79	return ( $key !== null && $key !== false );
80	}
81
82	public function count() {
83	return count( $this->items );
84	}
85
86	/**
87	* Filter collection items
88	* @return Collection
89	*/
90	public function filter() {
91	return new Collection( ac_helper()->array->filter( $this->items ) );
92	}
93
94	/**
95	* Limit array to max number of items
96	*
97	* @param int $length
98	*
99	* @return int Number of removed items
100	*/
101	public function limit( $length ) {
102	$count = $this->count();
103
104	if ( 0 < $length ) {
105	$this->items = array_slice( $this->items, 0, $length );
106	}
107
108	return $count - $this->count();
109	}
110
111	/**
112	* @param string $glue
113	*
114	* @return string
115	*/
116	public function implode( $glue = '' ) {
117	return implode( $glue, $this->items );
118	}
119
120	}