|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace alkemann\h2l\util; |
|
4
|
|
|
|
|
5
|
|
|
use OutOfBoundsException; |
|
6
|
|
|
|
|
7
|
|
|
/** |
|
8
|
|
|
* Class Util |
|
9
|
|
|
* |
|
10
|
|
|
* @package alkemann\h2l |
|
11
|
|
|
*/ |
|
12
|
|
|
class ArrayManipulations |
|
13
|
|
|
{ |
|
14
|
|
|
/** |
|
15
|
|
|
* Look for a deeo value in a nested data array. |
|
16
|
|
|
* |
|
17
|
|
|
* Given $data = ['one' => ['two' => ['three' => 55]], 'four' => []]; |
|
18
|
|
|
* |
|
19
|
|
|
* ```php |
|
20
|
|
|
* getFromArrayByKey('one.two.three', $data) -> 55 |
|
21
|
|
|
* getFromArrayByKey('one|two', $data, '|') -> ['three' => 55] |
|
22
|
|
|
* getFromArrayByKey('four.five', $data) -> throws OutOfBoundsException |
|
23
|
|
|
* ``` |
|
24
|
|
|
* |
|
25
|
|
|
* @param string $key |
|
26
|
|
|
* @param array $data |
|
27
|
|
|
* @param string $delimiter |
|
28
|
|
|
* @return mixed|null |
|
29
|
|
|
*/ |
|
30
|
|
|
public static function getFromArrayByKey(string $key, array $data, string $delimiter = '.') |
|
31
|
|
|
{ |
|
32
|
|
|
$keys = explode($delimiter, $key); |
|
33
|
|
|
try { |
|
34
|
|
|
return self::getArrayValueByKeys($keys, $data); |
|
35
|
|
|
} catch (\OutOfBoundsException $e) { |
|
36
|
|
|
return null; |
|
37
|
|
|
} |
|
38
|
|
|
} |
|
39
|
|
|
|
|
40
|
|
|
/** |
|
41
|
|
|
* Look for a deep value in a data array. |
|
42
|
|
|
* |
|
43
|
|
|
* Given $data = ['one' => ['two' => ['three' => 55]], 'four' => []]; |
|
44
|
|
|
* |
|
45
|
|
|
* ```php |
|
46
|
|
|
* getArrayValueByKeys(['one','two','three'], $data) will return 55 |
|
47
|
|
|
* getArrayValueByKeys(['four','five'], $data) will throw OutOfBoundsException |
|
48
|
|
|
* ``` |
|
49
|
|
|
* |
|
50
|
|
|
* @param mixed $keys |
|
51
|
|
|
* @param mixed $data passed by reference |
|
52
|
|
|
* @return mixed |
|
53
|
|
|
* @throws OutOfBoundsException if the key does not exist in data |
|
54
|
|
|
*/ |
|
55
|
|
|
public static function getArrayValueByKeys(array $keys, &$data) |
|
56
|
|
|
{ |
|
57
|
|
|
$key = array_shift($keys); |
|
58
|
|
|
if (!is_array($data) || empty($key)) { |
|
59
|
|
|
return $data; |
|
60
|
|
|
} |
|
61
|
|
|
if (array_key_exists($key, $data) === false) { |
|
62
|
|
|
throw new OutOfBoundsException("Key [" . join('.', $keys) . ".$key] not set in " . print_r($data, 1)); |
|
63
|
|
|
} |
|
64
|
|
|
if (empty($keys)) { |
|
65
|
|
|
return $data[$key]; |
|
66
|
|
|
} else { |
|
67
|
|
|
return self::getArrayValueByKeys($keys, $data[$key]); |
|
68
|
|
|
} |
|
69
|
|
|
} |
|
70
|
|
|
} |
|
71
|
|
|
|
alkemann /
h2l
