|
1
|
|
|
<?php |
|
2
|
|
|
namespace phootwork\collection; |
|
3
|
|
|
|
|
4
|
|
|
use phootwork\lang\Comparator; |
|
5
|
|
|
|
|
6
|
|
|
/** |
|
7
|
|
|
* Abstract class for all list-like collections |
|
8
|
|
|
* |
|
9
|
|
|
*/ |
|
10
|
|
|
abstract class AbstractList extends AbstractCollection { |
|
11
|
|
|
|
|
12
|
|
|
/** |
|
13
|
|
|
* Iterative reduction of this collection with the help of a callback function. The callback |
|
14
|
|
|
* function takes two parameters, the first is the carry, the second the current item, with this |
|
15
|
|
|
* signature: mixed callback(mixed $carry, mixed $item) |
|
16
|
|
|
* |
|
17
|
|
|
* @param callable $callback the callback function |
|
18
|
|
|
* @param mixed $fallback the default value, that will be returned when the list is empty |
|
19
|
|
|
* @return mixed |
|
20
|
|
|
*/ |
|
21
|
|
|
public function reduce(callable $callback, $fallback = null) { |
|
22
|
|
|
return array_reduce($this->collection, $callback, $fallback); |
|
23
|
|
|
} |
|
24
|
|
|
|
|
25
|
|
|
/** |
|
26
|
|
|
* Sorts the collection. |
|
27
|
|
|
* |
|
28
|
|
|
* @param Comparator|callable $cmp |
|
29
|
|
|
* @return $this |
|
30
|
|
|
*/ |
|
31
|
|
|
public function sort($cmp = null) { |
|
32
|
|
|
$this->doSort($this->collection, $cmp, 'usort', 'sort'); |
|
33
|
|
|
|
|
34
|
|
|
return $this; |
|
35
|
|
|
} |
|
36
|
|
|
|
|
37
|
|
|
/** |
|
38
|
|
|
* Reverses the order of all elements |
|
39
|
|
|
* |
|
40
|
|
|
* @return $this |
|
41
|
|
|
*/ |
|
42
|
|
|
public function reverse() { |
|
43
|
|
|
$this->collection = array_reverse($this->collection); |
|
44
|
|
|
return $this; |
|
45
|
|
|
} |
|
46
|
|
|
|
|
47
|
|
|
/** |
|
48
|
|
|
* Sorts the collection in reverse order |
|
49
|
|
|
* |
|
50
|
|
|
* @see #sort |
|
51
|
|
|
* @see #reverse |
|
52
|
|
|
* @param Comparator|callable $cmp |
|
53
|
|
|
* @return $this |
|
54
|
|
|
*/ |
|
55
|
|
|
public function reverseSort($cmp = null) { |
|
56
|
|
|
return $this->sort($cmp)->reverse(); |
|
57
|
|
|
} |
|
58
|
|
|
|
|
59
|
|
|
/** |
|
60
|
|
|
* Iterates the collection and calls the callback function with the current item as parameter |
|
61
|
|
|
* |
|
62
|
|
|
* @param callable $callback |
|
63
|
|
|
*/ |
|
64
|
|
|
public function each(callable $callback) { |
|
65
|
|
|
foreach ($this->collection as $item) { |
|
66
|
|
|
$callback($item); |
|
67
|
|
|
} |
|
68
|
|
|
} |
|
69
|
|
|
|
|
70
|
|
|
/** |
|
71
|
|
|
* Searches the collection with a given callback and returns the index for the first element if found. |
|
72
|
|
|
* |
|
73
|
|
|
* The callback function takes one or two parameters: |
|
74
|
|
|
* |
|
75
|
|
|
* function ($element [, $query]) {} |
|
76
|
|
|
* |
|
77
|
|
|
* The callback must return a boolean |
|
78
|
|
|
* |
|
79
|
|
|
* @param mixed $query OPTIONAL the provided query |
|
80
|
|
|
* @param callable $callback the callback function |
|
81
|
|
|
* @return int|null the index or null if it hasn't been found |
|
82
|
|
|
*/ |
|
83
|
|
|
public function findIndex() { |
|
84
|
|
|
if (func_num_args() == 1) { |
|
85
|
|
|
$callback = func_get_arg(0); |
|
86
|
|
|
} else { |
|
87
|
|
|
$query = func_get_arg(0); |
|
88
|
|
|
$callback = func_get_arg(1); |
|
89
|
|
|
} |
|
90
|
|
|
|
|
91
|
|
|
$index = func_num_args() == 1 ? $this->find($callback) : $this->find($query, $callback); |
|
92
|
|
|
if ($index !== null) { |
|
93
|
|
|
$index = $this->indexOf($index); |
|
94
|
|
|
} |
|
95
|
|
|
|
|
96
|
|
|
return $index; |
|
97
|
|
|
} |
|
98
|
|
|
|
|
99
|
|
|
/** |
|
100
|
|
|
* Searches the collection with a given callback and returns the index for the last element if found. |
|
101
|
|
|
* |
|
102
|
|
|
* The callback function takes one or two parameters: |
|
103
|
|
|
* |
|
104
|
|
|
* function ($element [, $query]) {} |
|
105
|
|
|
* |
|
106
|
|
|
* The callback must return a boolean |
|
107
|
|
|
* |
|
108
|
|
|
* @param mixed $query OPTIONAL the provided query |
|
109
|
|
|
* @param callable $callback the callback function |
|
110
|
|
|
* @return int|null the index or null if it hasn't been found |
|
111
|
|
|
*/ |
|
112
|
|
|
public function findLastIndex() { |
|
113
|
|
|
if (func_num_args() == 1) { |
|
114
|
|
|
$callback = func_get_arg(0); |
|
115
|
|
|
} else { |
|
116
|
|
|
$query = func_get_arg(0); |
|
117
|
|
|
$callback = func_get_arg(1); |
|
118
|
|
|
} |
|
119
|
|
|
|
|
120
|
|
|
$index = func_num_args() == 1 ? $this->findLast($callback) : $this->findLast($query, $callback); |
|
121
|
|
|
if ($index !== null) { |
|
122
|
|
|
$index = $this->indexOf($index); |
|
123
|
|
|
} |
|
124
|
|
|
|
|
125
|
|
|
return $index; |
|
126
|
|
|
} |
|
127
|
|
|
} |
|
128
|
|
|
|
phootwork /
collection
