|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* PHP: Nelson Martell Library file |
|
4
|
|
|
* |
|
5
|
|
|
* Copyright © 2019 Nelson Martell (http://nelson6e65.github.io) |
|
6
|
|
|
* |
|
7
|
|
|
* Licensed under The MIT License (MIT) |
|
8
|
|
|
* For full copyright and license information, please see the LICENSE |
|
9
|
|
|
* Redistributions of files must retain the above copyright notice. |
|
10
|
|
|
* |
|
11
|
|
|
* @copyright 2019 Nelson Martell |
|
12
|
|
|
* @link http://nelson6e65.github.io/php_nml/ |
|
13
|
|
|
* @since 1.0.0 |
|
14
|
|
|
* @license http://www.opensource.org/licenses/mit-license.php The MIT License (MIT) |
|
15
|
|
|
* */ |
|
16
|
|
|
namespace NelsonMartell\Extensions; |
|
17
|
|
|
|
|
18
|
|
|
use InvalidArgumentException; |
|
19
|
|
|
|
|
20
|
|
|
use function NelsonMartell\msg; |
|
21
|
|
|
use function NelsonMartell\typeof; |
|
22
|
|
|
use NelsonMartell\IComparer; |
|
23
|
|
|
use NelsonMartell\StrictObject; |
|
24
|
|
|
|
|
25
|
|
|
/** |
|
26
|
|
|
* Provides extension methods to handle numbers. |
|
27
|
|
|
* |
|
28
|
|
|
* @since 1.0.0 |
|
29
|
|
|
* @author Nelson Martell <[email protected]> |
|
30
|
|
|
* */ |
|
31
|
|
|
class Numbers implements IComparer |
|
32
|
|
|
{ |
|
33
|
|
|
/** |
|
34
|
|
|
* Ensures that object given is an integer. Else, thows an exception. |
|
35
|
|
|
* |
|
36
|
|
|
* @param mixed $obj Object to validate. |
|
37
|
|
|
* |
|
38
|
|
|
* @return float|int Same object given, but ensured that is a number. |
|
39
|
|
|
* |
|
40
|
|
|
* @throws InvalidArgumentException if object is not a `int` or `float`. |
|
41
|
|
|
*/ |
|
42
|
|
|
public static function ensureIsNumeric($obj) |
|
43
|
|
|
{ |
|
44
|
|
|
if (!is_int($obj) || !is_float($obj) || is_object($obj)) { |
|
|
|
|
|
|
45
|
|
|
$msg = msg('Provided object must to be an integer or float; "{0}" given.', typeof($obj)); |
|
46
|
|
|
throw new InvalidArgumentException($msg); |
|
47
|
|
|
} |
|
48
|
|
|
|
|
49
|
|
|
return $obj; |
|
50
|
|
|
} |
|
51
|
|
|
|
|
52
|
|
|
/** |
|
53
|
|
|
* {@inheritDoc} |
|
54
|
|
|
* |
|
55
|
|
|
* This methods is specific for the case when one of them are `numeric`. In other case, will fallback to |
|
56
|
|
|
* `StrictObject::compare()`.` You should use it directly instead of this method as comparation function |
|
57
|
|
|
* for `usort()`. |
|
58
|
|
|
* |
|
59
|
|
|
* @param int|float|mixed $left |
|
60
|
|
|
* @param int|float|mixed $right |
|
61
|
|
|
* |
|
62
|
|
|
* @return int|null |
|
63
|
|
|
* |
|
64
|
|
|
* @since 1.0.0 |
|
65
|
|
|
* @see StrictObject::compare() |
|
66
|
|
|
*/ |
|
67
|
47 |
|
public static function compare($left, $right) |
|
68
|
|
|
{ |
|
69
|
47 |
|
if (is_numeric($left)) { |
|
70
|
47 |
|
if (is_numeric($right) && !is_nan($right)) { |
|
71
|
31 |
|
$r = $left - $right; |
|
72
|
|
|
|
|
73
|
31 |
|
if ($r > 0) { |
|
74
|
15 |
|
$r = (int) ceil($r); |
|
75
|
|
|
} else { |
|
76
|
19 |
|
$r = (int) floor($r); |
|
77
|
|
|
} |
|
78
|
|
|
|
|
79
|
31 |
|
return $r; |
|
80
|
17 |
|
} elseif ($right === null) { |
|
81
|
8 |
|
return 1; |
|
82
|
|
|
} else { |
|
83
|
9 |
|
return -1; |
|
84
|
|
|
} |
|
85
|
9 |
|
} elseif (is_numeric($right)) { |
|
86
|
9 |
|
$r = static::compare($right, $left); |
|
87
|
|
|
|
|
88
|
9 |
|
if ($r !== null) { |
|
|
|
|
|
|
89
|
9 |
|
$r *= -1; |
|
90
|
|
|
} |
|
91
|
|
|
|
|
92
|
9 |
|
return $r; |
|
93
|
|
|
} |
|
94
|
|
|
|
|
95
|
|
|
return StrictObject::compare($left, $right); |
|
96
|
|
|
} |
|
97
|
|
|
} |
|
98
|
|
|
|
nelson6e65 /
php_nml
Loading history...