blob: 57079df3bc766df0daf656f9b928d116d95500b3 (
plain) (
blame)
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
|
<?php
namespace Mmccook\JsonCanonicalizator;
class Utils
{
/**
* @param array $array
* @return bool
*/
public static function isAssoc(array $array): bool
{
$keys = array_keys($array);
return array_keys($keys) !== $keys;
}
public static function asHex(string $data): string
{
return rtrim(chunk_split(bin2hex($data), 2, ' '));
}
public static function es6NumberFormat(float $number): string
{
if (is_nan($number) || is_infinite($number)) {
throw new \RuntimeException("can't use Nan or Infinity in json");
}
if (0.0 === $number) {
return '0';
}
$sign = '';
if ($number < 0) {
$sign = '-';
$number = -$number;
}
if ($number < 1e+21 && $number >= 1e-6) {
$formatted = number_format($number, 7, '.', '');
$formatted = rtrim($formatted, '.0');
} else {
$formatted = sprintf('%e', $number);
$parts = explode('e', $formatted);
$parts[0] = rtrim($parts[0], '.0');
$formatted = implode('e', $parts);
}
return $sign . $formatted;
}
}
|
