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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
|
<?php
/**
* Copyright 2014 Facebook, Inc.
*
* You are hereby granted a non-exclusive, worldwide, royalty-free license to
* use, copy, modify, and distribute this software in source code or binary
* form for use in connection with the web services and APIs provided by
* Facebook.
*
* As with any software that integrates with the Facebook platform, your use
* of this software is subject to the Facebook Developer Principles and
* Policies [http://developers.facebook.com/policy/]. This copyright notice
* shall be included in all copies or substantial portions of the software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
*/
namespace Facebook\GraphNodes;
/**
* Class Collection
*
* Modified version of Collection in "illuminate/support" by Taylor Otwell
*
* @package Facebook
*/
use ArrayAccess;
use ArrayIterator;
use Countable;
use IteratorAggregate;
class Collection implements ArrayAccess, Countable, IteratorAggregate
{
/**
* The items contained in the collection.
*
* @var array
*/
protected $items = [];
/**
* Create a new collection.
*
* @param array $items
*/
public function __construct(array $items = [])
{
$this->items = $items;
}
/**
* Gets the value of a field from the Graph node.
*
* @param string $name The field to retrieve.
* @param mixed $default The default to return if the field doesn't exist.
*
* @return mixed
*/
public function getField($name, $default = null)
{
if (isset($this->items[$name])) {
return $this->items[$name];
}
return $default ?: null;
}
/**
* Gets the value of the named property for this graph object.
*
* @param string $name The property to retrieve.
* @param mixed $default The default to return if the property doesn't exist.
*
* @return mixed
*
* @deprecated 5.0.0 getProperty() has been renamed to getField()
* @todo v6: Remove this method
*/
public function getProperty($name, $default = null)
{
return $this->getField($name, $default);
}
/**
* Returns a list of all fields set on the object.
*
* @return array
*/
public function getFieldNames()
{
return array_keys($this->items);
}
/**
* Returns a list of all properties set on the object.
*
* @return array
*
* @deprecated 5.0.0 getPropertyNames() has been renamed to getFieldNames()
* @todo v6: Remove this method
*/
public function getPropertyNames()
{
return $this->getFieldNames();
}
/**
* Get all of the items in the collection.
*
* @return array
*/
public function all()
{
return $this->items;
}
/**
* Get the collection of items as a plain array.
*
* @return array
*/
public function asArray()
{
return array_map(function ($value) {
return $value instanceof Collection ? $value->asArray() : $value;
}, $this->items);
}
/**
* Run a map over each of the items.
*
* @param \Closure $callback
*
* @return static
*/
public function map(\Closure $callback)
{
return new static(array_map($callback, $this->items, array_keys($this->items)));
}
/**
* Get the collection of items as JSON.
*
* @param int $options
*
* @return string
*/
public function asJson($options = 0)
{
return json_encode($this->asArray(), $options);
}
/**
* Count the number of items in the collection.
*
* @return int
*/
public function count()
{
return count($this->items);
}
/**
* Get an iterator for the items.
*
* @return ArrayIterator
*/
public function getIterator()
{
return new ArrayIterator($this->items);
}
/**
* Determine if an item exists at an offset.
*
* @param mixed $key
*
* @return bool
*/
public function offsetExists($key)
{
return array_key_exists($key, $this->items);
}
/**
* Get an item at a given offset.
*
* @param mixed $key
*
* @return mixed
*/
public function offsetGet($key)
{
return $this->items[$key];
}
/**
* Set the item at a given offset.
*
* @param mixed $key
* @param mixed $value
*
* @return void
*/
public function offsetSet($key, $value)
{
if (is_null($key)) {
$this->items[] = $value;
} else {
$this->items[$key] = $value;
}
}
/**
* Unset the item at a given offset.
*
* @param string $key
*
* @return void
*/
public function offsetUnset($key)
{
unset($this->items[$key]);
}
/**
* Convert the collection to its string representation.
*
* @return string
*/
public function __toString()
{
return $this->asJson();
}
}
|
