|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace SyncFS; |
|
4
|
|
|
|
|
5
|
|
|
/** |
|
6
|
|
|
* Class Bag |
|
7
|
|
|
* |
|
8
|
|
|
* @package SyncFS |
|
9
|
|
|
* @author Matej Velikonja <[email protected]> |
|
10
|
|
|
*/ |
|
11
|
|
|
class Bag implements \IteratorAggregate, \Countable, \ArrayAccess |
|
12
|
|
|
{ |
|
13
|
|
|
/** |
|
14
|
|
|
* @var array |
|
15
|
|
|
*/ |
|
16
|
|
|
protected $elements; |
|
17
|
|
|
|
|
18
|
|
|
/** |
|
19
|
|
|
* @param array $elements |
|
20
|
|
|
*/ |
|
21
|
33 |
|
public function __construct(array $elements = array()) |
|
22
|
|
|
{ |
|
23
|
33 |
|
$this->setData($elements); |
|
24
|
33 |
|
} |
|
25
|
|
|
|
|
26
|
|
|
/** |
|
27
|
|
|
* @param array $elements |
|
28
|
|
|
*/ |
|
29
|
33 |
|
public function setData(array $elements) |
|
30
|
|
|
{ |
|
31
|
33 |
|
$this->elements = $elements; |
|
32
|
33 |
|
} |
|
33
|
|
|
|
|
34
|
|
|
/** |
|
35
|
|
|
* @param mixed $element |
|
36
|
|
|
* |
|
37
|
|
|
* @return $this |
|
38
|
|
|
*/ |
|
39
|
7 |
|
public function add($element) |
|
40
|
|
|
{ |
|
41
|
7 |
|
$this->elements[] = $element; |
|
42
|
|
|
|
|
43
|
7 |
|
return $this; |
|
44
|
|
|
} |
|
45
|
|
|
|
|
46
|
|
|
/** |
|
47
|
|
|
* Returns last element.. |
|
48
|
|
|
* |
|
49
|
|
|
* @return string |
|
50
|
|
|
*/ |
|
51
|
3 |
|
public function last() |
|
52
|
|
|
{ |
|
53
|
3 |
|
return end($this->elements); |
|
54
|
|
|
} |
|
55
|
|
|
|
|
56
|
|
|
/** |
|
57
|
|
|
* Returns second last element. |
|
58
|
|
|
* |
|
59
|
|
|
* @return string | false |
|
60
|
|
|
*/ |
|
61
|
3 |
|
public function secondLast() |
|
62
|
|
|
{ |
|
63
|
3 |
|
end($this->elements); |
|
64
|
|
|
|
|
65
|
3 |
|
return prev($this->elements); |
|
66
|
|
|
} |
|
67
|
|
|
|
|
68
|
|
|
/** |
|
69
|
|
|
* Returns first element. |
|
70
|
|
|
* |
|
71
|
|
|
* @return string |
|
72
|
|
|
*/ |
|
73
|
3 |
|
public function first() |
|
74
|
|
|
{ |
|
75
|
3 |
|
return reset($this->elements); |
|
76
|
|
|
} |
|
77
|
|
|
|
|
78
|
|
|
/** |
|
79
|
|
|
* Returns number of all elements. |
|
80
|
|
|
* |
|
81
|
|
|
* @return int |
|
82
|
|
|
*/ |
|
83
|
7 |
|
public function count() |
|
84
|
|
|
{ |
|
85
|
7 |
|
return count($this->elements); |
|
86
|
|
|
} |
|
87
|
|
|
|
|
88
|
|
|
/** |
|
89
|
|
|
* @return \ArrayIterator|\Traversable |
|
90
|
|
|
*/ |
|
91
|
2 |
|
public function getIterator() |
|
92
|
|
|
{ |
|
93
|
2 |
|
return new \ArrayIterator($this->elements); |
|
94
|
|
|
} |
|
95
|
|
|
|
|
96
|
|
|
/** |
|
97
|
|
|
* @param int $offset |
|
98
|
|
|
* |
|
99
|
|
|
* @return bool |
|
100
|
|
|
*/ |
|
101
|
2 |
|
public function offsetExists($offset) |
|
102
|
|
|
{ |
|
103
|
2 |
|
return isset($this->elements[$offset]); |
|
104
|
|
|
} |
|
105
|
|
|
|
|
106
|
|
|
/** |
|
107
|
|
|
* @param int $offset |
|
108
|
|
|
* |
|
109
|
|
|
* @return mixed |
|
110
|
|
|
*/ |
|
111
|
2 |
|
public function offsetGet($offset) |
|
112
|
|
|
{ |
|
113
|
2 |
|
return $this->elements[$offset]; |
|
114
|
|
|
} |
|
115
|
|
|
|
|
116
|
|
|
/** |
|
117
|
|
|
* @param int $offset |
|
118
|
|
|
* @param mixed $value |
|
119
|
|
|
*/ |
|
120
|
1 |
|
public function offsetSet($offset, $value) |
|
121
|
|
|
{ |
|
122
|
1 |
|
$this->elements[$offset] = $value; |
|
123
|
1 |
|
} |
|
124
|
|
|
|
|
125
|
|
|
/** |
|
126
|
|
|
* @param int $offset |
|
127
|
|
|
*/ |
|
128
|
1 |
|
public function offsetUnset($offset) |
|
129
|
|
|
{ |
|
130
|
1 |
|
unset($this->elements[$offset]); |
|
131
|
1 |
|
} |
|
132
|
|
|
|
|
133
|
|
|
/** |
|
134
|
|
|
* Removes all elements. |
|
135
|
|
|
* |
|
136
|
|
|
* @return $this |
|
137
|
|
|
*/ |
|
138
|
1 |
|
public function clear() |
|
139
|
|
|
{ |
|
140
|
1 |
|
$this->elements = array(); |
|
141
|
|
|
|
|
142
|
1 |
|
return $this; |
|
143
|
|
|
} |
|
144
|
|
|
|
|
145
|
|
|
/** |
|
146
|
|
|
* @return bool |
|
147
|
|
|
*/ |
|
148
|
3 |
|
public function isEmpty() |
|
149
|
|
|
{ |
|
150
|
3 |
|
return ! $this->elements; |
|
151
|
|
|
} |
|
152
|
|
|
|
|
153
|
|
|
/** |
|
154
|
|
|
* @return array |
|
155
|
|
|
*/ |
|
156
|
4 |
|
public function all() |
|
157
|
|
|
{ |
|
158
|
4 |
|
return $this->elements; |
|
159
|
|
|
} |
|
160
|
|
|
|
|
161
|
|
|
/** |
|
162
|
|
|
* @param mixed $needle |
|
163
|
|
|
* |
|
164
|
|
|
* @return bool |
|
165
|
|
|
*/ |
|
166
|
1 |
|
public function exists($needle) |
|
167
|
|
|
{ |
|
168
|
1 |
|
foreach ($this->elements as $e) { |
|
169
|
1 |
|
if ($e === $needle) { |
|
170
|
1 |
|
return true; |
|
171
|
|
|
} |
|
172
|
1 |
|
} |
|
173
|
|
|
|
|
174
|
|
|
return false; |
|
175
|
|
|
} |
|
176
|
|
|
|
|
177
|
|
|
/** |
|
178
|
|
|
* @return string |
|
179
|
|
|
*/ |
|
180
|
2 |
|
public function __toString() |
|
181
|
|
|
{ |
|
182
|
2 |
|
return implode(PHP_EOL, $this->elements); |
|
183
|
|
|
} |
|
184
|
|
|
} |
|
185
|
|
|
|
matejvelikonja /
SyncFS
