Optional.php
2.58 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
<?php
namespace Illuminate\Support;
use ArrayAccess;
use ArrayObject;
class Optional implements ArrayAccess
{
use Traits\Macroable {
__call as macroCall;
}
/**
* The underlying object.
*
* @var mixed
*/
protected $value;
/**
* Create a new optional instance.
*
* @param mixed $value
* @return void
*/
public function __construct($value)
{
$this->value = $value;
}
/**
* Dynamically access a property on the underlying object.
*
* @param string $key
* @return mixed
*/
public function __get($key)
{
if (is_object($this->value)) {
return $this->value->{$key} ?? null;
}
}
/**
* Dynamically check a property exists on the underlying object.
*
* @param mixed $name
* @return bool
*/
public function __isset($name)
{
if (is_object($this->value)) {
return isset($this->value->{$name});
}
if (is_array($this->value) || $this->value instanceof ArrayObject) {
return isset($this->value[$name]);
}
return false;
}
/**
* Determine if an item exists at an offset.
*
* @param mixed $key
* @return bool
*/
public function offsetExists($key)
{
return Arr::accessible($this->value) && Arr::exists($this->value, $key);
}
/**
* Get an item at a given offset.
*
* @param mixed $key
* @return mixed
*/
public function offsetGet($key)
{
return Arr::get($this->value, $key);
}
/**
* Set the item at a given offset.
*
* @param mixed $key
* @param mixed $value
* @return void
*/
public function offsetSet($key, $value)
{
if (Arr::accessible($this->value)) {
$this->value[$key] = $value;
}
}
/**
* Unset the item at a given offset.
*
* @param string $key
* @return void
*/
public function offsetUnset($key)
{
if (Arr::accessible($this->value)) {
unset($this->value[$key]);
}
}
/**
* Dynamically pass a method to the underlying object.
*
* @param string $method
* @param array $parameters
* @return mixed
*/
public function __call($method, $parameters)
{
if (static::hasMacro($method)) {
return $this->macroCall($method, $parameters);
}
if (is_object($this->value)) {
return $this->value->{$method}(...$parameters);
}
}
}