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1 | <?php |
2 | |
3 | namespace Verja\Filter; |
4 | |
5 | use Verja\Filter; |
6 | |
7 | class ConvertCase extends Filter |
8 | { |
9 | /** @var int */ |
10 | protected $mode; |
11 | |
12 | /** |
13 | * ConvertCase constructor. |
14 | * |
15 | * @param int|string $mode |
16 | */ |
17 | public function __construct($mode) |
18 | { |
19 | if (is_int($mode)) { |
20 | $this->mode = $mode; |
21 | } |
22 | |
23 | switch ($mode) { |
24 | case 'upper': |
25 | $this->mode = MB_CASE_UPPER; |
26 | break; |
27 | case 'lower': |
28 | $this->mode = MB_CASE_LOWER; |
29 | break; |
30 | case 'title': |
31 | $this->mode = MB_CASE_TITLE; |
32 | } |
33 | } |
34 | |
35 | |
36 | /** |
37 | * Filter $value |
38 | * |
39 | * @param mixed $value |
40 | * @param array $context |
41 | * @return mixed |
42 | */ |
43 | public function filter($value, array $context = []) |
44 | { |
45 | if (!is_string($value)) { |
46 | return $value; |
47 | } |
48 | |
49 | return mb_convert_case($value, $this->mode); |
50 | } |
51 | } |