Code Coverage for /workspace/src/extensions/CirrusSearch/includes/Maintenance/Set.php

1	<?php
2
3	namespace CirrusSearch\Maintenance;
4
5	/**
6	* Simple set implementation so it's clear what the array
7	* is being used for when values are only stored as keys.
8	*/
9	class Set implements \Countable {
10	private $elements = [];
11
12	public function __construct( array $elements = [] ) {
13	$this->addAll( $elements );
14	}
15
16	/**
17	* @return int Number of elements in the set
18	*/
19	public function count(): int {
20	return count( $this->elements );
21	}
22
23	/**
24	* @param string $element Element to add to set
25	* @return self
26	*/
27	public function add( $element ) {
28	$this->elements[$element] = true;
29	return $this;
30	}
31
32	/**
33	* @param string[] $elements Elements to add to set
34	* @return self
35	*/
36	public function addAll( array $elements ) {
37	foreach ( $elements as $element ) {
38	$this->add( $element );
39	}
40	return $this;
41	}
42
43	/**
44	* @param Set $other Set to union into this one
45	* @return self
46	*/
47	public function union( Set $other ) {
48	$this->elements += $other->elements;
49	return $this;
50	}
51
52	/**
53	* @param string $element Value to test
54	* @return bool True when the set contains $element
55	*/
56	public function contains( $element ) {
57	return array_key_exists( $element, $this->elements );
58	}
59
60	/**
61	* @return string[] Elements of the set
62	*/
63	public function values() {
64	return array_keys( $this->elements );
65	}
66	}