-
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathNumbers.php
More file actions
70 lines (62 loc) · 1.34 KB
/
Numbers.php
File metadata and controls
70 lines (62 loc) · 1.34 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
<?php
namespace Functionality\FunctionalityPhp\Functions;
trait Numbers
{
/**float
* Get average between two numbers.
*
* @return float
*/
public static function getAvg(float $a, float $b): float
{
return ($a + $b) / 2;
}
/**
* Check if a number is even.
*
* @param int $number
* @return bool
*/
public static function isEven(float $number): bool
{
return $number % 2 === 0;
}
/**
* Check if a number is odd.
*
* @param int $number
* @return bool
*/
public static function isOdd(float $number): bool
{
return $number % 2 !== 0;
}
/**
* Check if a number is prime.
*
* @param int $number
* @return bool
*/
public static function isPrime(int $number): bool
{
if ($number < 2) {
return false;
}
for ($i = 2; $i < $number; $i++) {
if ($number % $i === 0) {
return false;
}
}
return true;
}
/**
* Reverse a number (e.g. 12345 -> 54321).
*
* @param float $number
* @return float
*/
public static function reverseNumber(float $number): float
{
return $number > 0 ? +strrev((string) $number) : -str_replace('-', '', strrev((string) $number));
}
}