|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Equip; |
|
4
|
|
|
|
|
5
|
|
|
use function Equip\Arr\to_array; |
|
6
|
|
|
|
|
7
|
|
|
class Chain |
|
8
|
|
|
{ |
|
9
|
12 |
|
public static function from($source) |
|
10
|
|
|
{ |
|
11
|
12 |
|
return new static(to_array($source)); |
|
12
|
|
|
} |
|
13
|
|
|
|
|
14
|
|
|
/** |
|
15
|
|
|
* @var array |
|
16
|
|
|
*/ |
|
17
|
|
|
private $source; |
|
18
|
|
|
|
|
19
|
12 |
|
public function __construct(array $source) |
|
20
|
|
|
{ |
|
21
|
12 |
|
$this->source = $source; |
|
22
|
12 |
|
} |
|
23
|
|
|
|
|
24
|
9 |
|
public function toArray() |
|
25
|
|
|
{ |
|
26
|
9 |
|
return $this->source; |
|
27
|
|
|
} |
|
28
|
|
|
|
|
29
|
1 |
|
public function hasKey($needle) |
|
30
|
|
|
{ |
|
31
|
1 |
|
return array_key_exists($needle, $this->source); |
|
32
|
|
|
} |
|
33
|
|
|
|
|
34
|
1 |
|
public function hasValue($needle) |
|
35
|
|
|
{ |
|
36
|
1 |
|
return in_array($needle, $this->source); |
|
37
|
|
|
} |
|
38
|
|
|
|
|
39
|
1 |
|
public function values() |
|
40
|
|
|
{ |
|
41
|
1 |
|
$copy = clone $this; |
|
42
|
1 |
|
$copy->source = array_values($this->source); |
|
43
|
|
|
|
|
44
|
1 |
|
return $copy; |
|
45
|
|
|
} |
|
46
|
|
|
|
|
47
|
1 |
|
public function keys() |
|
48
|
|
|
{ |
|
49
|
1 |
|
$copy = clone $this; |
|
50
|
1 |
|
$copy->source = array_keys($this->source); |
|
51
|
|
|
|
|
52
|
1 |
|
return $copy; |
|
53
|
|
|
} |
|
54
|
|
|
|
|
55
|
1 |
|
public function merge(array $values) |
|
56
|
|
|
{ |
|
57
|
1 |
|
$copy = clone $this; |
|
58
|
1 |
|
$copy->source = array_merge($this->source, $values); |
|
59
|
|
|
|
|
60
|
1 |
|
return $copy; |
|
61
|
|
|
} |
|
62
|
|
|
|
|
63
|
1 |
|
public function intersect(array $values) |
|
64
|
|
|
{ |
|
65
|
1 |
|
$copy = clone $this; |
|
66
|
1 |
|
$copy->source = array_intersect($this->source, $values); |
|
67
|
|
|
|
|
68
|
1 |
|
return $copy; |
|
69
|
|
|
} |
|
70
|
|
|
|
|
71
|
1 |
|
public function diff(array $values) |
|
72
|
|
|
{ |
|
73
|
1 |
|
$copy = clone $this; |
|
74
|
1 |
|
$copy->source = array_diff($this->source, $values); |
|
75
|
|
|
|
|
76
|
1 |
|
return $copy; |
|
77
|
|
|
} |
|
78
|
|
|
|
|
79
|
1 |
|
public function unique() |
|
80
|
|
|
{ |
|
81
|
1 |
|
$copy = clone $this; |
|
82
|
1 |
|
$copy->source = array_unique($this->source); |
|
83
|
|
|
|
|
84
|
1 |
|
return $copy; |
|
85
|
|
|
} |
|
86
|
|
|
|
|
87
|
1 |
|
public function reduce(callable $fn, $initial = null) |
|
88
|
|
|
{ |
|
89
|
1 |
|
return array_reduce($this->source, $fn, $initial); |
|
90
|
|
|
} |
|
91
|
|
|
|
|
92
|
1 |
|
public function filter(callable $fn) |
|
93
|
|
|
{ |
|
94
|
1 |
|
$copy = clone $this; |
|
95
|
1 |
|
$copy->source = array_filter($this->source, $fn); |
|
96
|
|
|
|
|
97
|
1 |
|
return $copy; |
|
98
|
|
|
} |
|
99
|
|
|
|
|
100
|
1 |
|
public function map(callable $fn) |
|
101
|
|
|
{ |
|
102
|
1 |
|
$copy = clone $this; |
|
103
|
1 |
|
$copy->source = array_map($fn, $this->source); |
|
104
|
|
|
|
|
105
|
1 |
|
return $copy; |
|
106
|
|
|
} |
|
107
|
|
|
} |
|
108
|
|
|
|
equip /
assist
