|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* Collection library for PHP. |
|
4
|
|
|
* |
|
5
|
|
|
* @link https://github.com/hiqdev/php-collection |
|
6
|
|
|
* @package php-collection |
|
7
|
|
|
* @license BSD-3-Clause |
|
8
|
|
|
* @copyright Copyright (c) 2015-2017, HiQDev (http://hiqdev.com/) |
|
9
|
|
|
*/ |
|
10
|
|
|
|
|
11
|
|
|
namespace hiqdev\php\collection; |
|
12
|
|
|
|
|
13
|
|
|
/** |
|
14
|
|
|
* Array Helper. |
|
15
|
|
|
* |
|
16
|
|
|
* @author Andrii Vasyliev <[email protected]> |
|
17
|
|
|
*/ |
|
18
|
|
|
class ArrayHelper |
|
19
|
|
|
{ |
|
20
|
|
|
/** |
|
21
|
|
|
* Recursive safe merge. |
|
22
|
|
|
* Based on Yii2 yii\helpers\BaseArrayHelper::merge. |
|
23
|
|
|
* |
|
24
|
|
|
* Merges two or more arrays into one recursively. |
|
25
|
|
|
* If each array has an element with the same string key value, the latter |
|
26
|
|
|
* will overwrite the former (different from array_merge_recursive). |
|
27
|
|
|
* Recursive merging will be conducted if both arrays have an element of array |
|
28
|
|
|
* type and are having the same key. |
|
29
|
|
|
* For integer-keyed elements, the elements from the latter array will |
|
30
|
|
|
* be appended to the former array. |
|
31
|
|
|
* |
|
32
|
|
|
* @param array $a array to be merged to |
|
33
|
|
|
* @param array $b array to be merged from |
|
34
|
|
|
* @return array the merged array |
|
35
|
|
|
*/ |
|
36
|
1 |
|
public static function merge($a, $b) |
|
37
|
|
|
{ |
|
38
|
1 |
|
$args = func_get_args(); |
|
39
|
1 |
|
$res = array_shift($args); |
|
40
|
1 |
|
foreach ($args as $items) { |
|
41
|
1 |
|
if (!is_array($items)) { |
|
42
|
|
|
continue; |
|
43
|
|
|
} |
|
44
|
1 |
|
foreach ($items as $k => $v) { |
|
45
|
1 |
|
if (is_int($k)) { |
|
46
|
1 |
|
if (isset($res[$k])) { |
|
47
|
1 |
|
$res[] = $v; |
|
48
|
1 |
|
} else { |
|
49
|
1 |
|
$res[$k] = $v; |
|
50
|
|
|
} |
|
51
|
1 |
|
} elseif (is_array($v) && isset($res[$k]) && is_array($res[$k])) { |
|
52
|
1 |
|
$res[$k] = self::merge($res[$k], $v); |
|
53
|
1 |
|
} else { |
|
54
|
1 |
|
$res[$k] = $v; |
|
55
|
|
|
} |
|
56
|
1 |
|
} |
|
57
|
1 |
|
} |
|
58
|
|
|
|
|
59
|
1 |
|
return $res; |
|
60
|
|
|
} |
|
61
|
|
|
|
|
62
|
|
|
/** |
|
63
|
|
|
* Get specified items as array. |
|
64
|
|
|
* @param mixed $keys specification |
|
65
|
|
|
* @return array |
|
66
|
|
|
*/ |
|
67
|
3 |
|
public static function getItems($array, $keys = null) |
|
68
|
|
|
{ |
|
69
|
3 |
|
if (is_null($keys)) { |
|
70
|
2 |
|
return $array; |
|
71
|
1 |
|
} elseif (is_scalar($keys)) { |
|
72
|
1 |
|
$keys = [$keys => $array[$keys]]; |
|
73
|
1 |
|
} |
|
74
|
1 |
|
$res = []; |
|
75
|
1 |
|
foreach ($keys as $k) { |
|
76
|
1 |
|
if (array_key_exists($k, $array)) { |
|
77
|
1 |
|
$res[$k] = $array[$k]; |
|
78
|
1 |
|
} |
|
79
|
1 |
|
} |
|
80
|
1 |
|
return $res; |
|
81
|
|
|
} |
|
82
|
|
|
|
|
83
|
|
|
/** |
|
84
|
|
|
* Inserts items in front of array. |
|
85
|
|
|
* rough method: unset and then set, think of better. |
|
86
|
|
|
*/ |
|
87
|
2 |
|
public static function insertLast(array $array, array $items) |
|
88
|
|
|
{ |
|
89
|
2 |
|
foreach ($items as $k => $v) { |
|
90
|
2 |
|
unset($array[$k]); |
|
91
|
2 |
|
} |
|
92
|
2 |
|
foreach ($items as $k => $v) { |
|
93
|
2 |
|
$array[$k] = $v; |
|
94
|
2 |
|
} |
|
95
|
|
|
|
|
96
|
2 |
|
return $array; |
|
97
|
|
|
} |
|
98
|
|
|
|
|
99
|
|
|
/** |
|
100
|
|
|
* Inserts items in front of array. |
|
101
|
|
|
* rough method: unset and then set, think of better. |
|
102
|
|
|
*/ |
|
103
|
2 |
|
public static function insertFirst(array $array, array $items) |
|
104
|
|
|
{ |
|
105
|
2 |
|
foreach (array_keys($items) as $k) { |
|
106
|
2 |
|
unset($array[$k]); |
|
107
|
2 |
|
} |
|
108
|
2 |
|
$array = array_merge($items, $array); |
|
109
|
|
|
|
|
110
|
2 |
|
return $array; |
|
111
|
|
|
} |
|
112
|
|
|
|
|
113
|
|
|
/** |
|
114
|
|
|
* Inserts items inside of array. |
|
115
|
|
|
* rough method: unset and then set, think of better. |
|
116
|
|
|
* @param array $array source array |
|
117
|
|
|
* @param array $items array of items |
|
118
|
|
|
* @param string|array $where where to insert |
|
119
|
|
|
* @return array new items list |
|
120
|
|
|
* @see add() |
|
121
|
|
|
*/ |
|
122
|
1 |
|
public static function insertInside(array $array, $items, $where) |
|
123
|
|
|
{ |
|
124
|
1 |
|
foreach ($items as $k => $v) { |
|
125
|
1 |
|
unset($array[$k]); |
|
126
|
1 |
|
} |
|
127
|
1 |
|
$before = self::prepareWhere($array, isset($where['before']) ? $where['before'] : null); |
|
128
|
1 |
|
$after = self::prepareWhere($array, isset($where['after']) ? $where['after'] : null); |
|
129
|
1 |
|
$new = []; |
|
130
|
1 |
|
$found = false; |
|
131
|
|
|
/// TODO think of realizing it better |
|
132
|
1 |
|
foreach ($array as $k => $v) { |
|
133
|
1 |
View Code Duplication |
if (!$found && $k === $before) { |
|
134
|
1 |
|
foreach ($items as $i => $c) { |
|
135
|
1 |
|
$new[$i] = $c; |
|
136
|
1 |
|
} |
|
137
|
1 |
|
$found = true; |
|
138
|
1 |
|
} |
|
139
|
1 |
|
$new[$k] = $v; |
|
140
|
1 |
View Code Duplication |
if (!$found && $k === $after) { |
|
141
|
1 |
|
foreach ($items as $i => $c) { |
|
142
|
1 |
|
$new[$i] = $c; |
|
143
|
1 |
|
} |
|
144
|
1 |
|
$found = true; |
|
145
|
1 |
|
} |
|
146
|
1 |
|
} |
|
147
|
1 |
|
if (!$found) { |
|
148
|
1 |
|
foreach ($items as $i => $c) { |
|
149
|
1 |
|
$new[$i] = $c; |
|
150
|
1 |
|
} |
|
151
|
1 |
|
} |
|
152
|
|
|
|
|
153
|
1 |
|
return $new; |
|
154
|
|
|
} |
|
155
|
|
|
|
|
156
|
|
|
/** |
|
157
|
|
|
* Internal function to prepare where list for insertInside. |
|
158
|
|
|
* @param array $array source array |
|
159
|
|
|
* @param array|string $list array to convert |
|
160
|
|
|
* @return array |
|
161
|
|
|
*/ |
|
162
|
1 |
|
protected static function prepareWhere(array $array, $list) |
|
163
|
|
|
{ |
|
164
|
1 |
|
if (!is_array($list)) { |
|
165
|
1 |
|
$list = [$list]; |
|
166
|
1 |
|
} |
|
167
|
1 |
|
foreach ($list as $v) { |
|
168
|
1 |
|
if (array_key_exists($v, $array)) { |
|
169
|
1 |
|
return $v; |
|
170
|
|
|
} |
|
171
|
1 |
|
} |
|
172
|
|
|
|
|
173
|
1 |
|
return null; |
|
174
|
|
|
} |
|
175
|
|
|
|
|
176
|
|
|
/** |
|
177
|
|
|
* Recursively removes duplicate values from non-associative arrays. |
|
178
|
|
|
*/ |
|
179
|
1 |
|
public static function unique($array) |
|
180
|
|
|
{ |
|
181
|
1 |
|
$suitable = true; |
|
182
|
1 |
|
foreach ($array as $k => &$v) { |
|
183
|
1 |
|
if (is_array($v)) { |
|
184
|
1 |
|
$v = self::unique($v); |
|
185
|
1 |
|
} elseif (!is_int($k)) { |
|
186
|
1 |
|
$suitable = false; |
|
187
|
1 |
|
} |
|
188
|
1 |
|
} |
|
189
|
|
|
|
|
190
|
1 |
|
return $suitable ? self::uniqueFlat($array) : $array; |
|
191
|
|
|
} |
|
192
|
|
|
|
|
193
|
|
|
/** |
|
194
|
|
|
* Non-recursively removes duplicate values from non-associative arrays. |
|
195
|
|
|
*/ |
|
196
|
2 |
|
public static function uniqueFlat($array) |
|
197
|
|
|
{ |
|
198
|
2 |
|
$uniqs = []; |
|
199
|
2 |
|
$res = []; |
|
200
|
2 |
|
foreach ($array as $k => $v) { |
|
201
|
2 |
|
$uv = var_export($v, true); |
|
202
|
2 |
|
if (array_key_exists($uv, $uniqs)) { |
|
203
|
2 |
|
continue; |
|
204
|
|
|
} |
|
205
|
2 |
|
$uniqs[$uv] = 1; |
|
206
|
2 |
|
$res[$k] = $v; |
|
207
|
2 |
|
} |
|
208
|
|
|
|
|
209
|
2 |
|
return $res; |
|
210
|
|
|
} |
|
211
|
|
|
|
|
212
|
1 |
|
public static function toArray($object) |
|
213
|
|
|
{ |
|
214
|
1 |
|
$res = (array) $object; |
|
215
|
1 |
|
foreach ($res as &$v) { |
|
216
|
1 |
|
if (is_object($v)) { |
|
217
|
1 |
|
$v = self::toArray($v); |
|
218
|
1 |
|
} |
|
219
|
1 |
|
} |
|
220
|
|
|
|
|
221
|
1 |
|
return $res; |
|
222
|
|
|
} |
|
223
|
|
|
} |
|
224
|
|
|
|
hiqdev /
php-collection
