BinaryUtils::rleEncode() - Code Metrics - Sysbot-org/bin - Measure and Improve Code Quality continuously with Scrutinizer

BinaryUtils::rleEncode() A
last analyzed 2022-06-21 22:29 UTC

↳ Parent: BinaryUtils

Complexity

Conditions	4
Paths	4

Size

Total Lines	18
Code Lines	13

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
eloc	13
c	1
b	0
f	0
dl	0
loc	18
rs	9.8333
cc	4
nc	4
nop	1

<?php

declare(strict_types=1);

namespace Sysbot\Bin\Common;

trait BinaryUtils
{

    /**
     * @param string $string
     * @return string
     */
    public static function rleEncode(string $string): string
    {
        $new = '';
        $count = 0;
        $null = chr(0);
        $chars = str_split($string);
        foreach ($chars as $char) {
            if ($char === $null) {
                $count++;
                continue;
            }
            if ($count > 0) {
                $new .= $null . chr($count);
                $count = 0;
            }
            $new .= $char;
        }
        return $new;
    }

    /**
     * @param string $string
     * @return string
     */
    public static function rleDecode(string $string): string
    {
        $new = '';
        $last = '';
        $null = chr(0);
        $chars = str_split($string);
        foreach ($chars as $char) {
            if ($last === $null) {
                $new .= str_repeat($last, ord($char));
                $last = '';
                continue;
            }
            $new .= $last;
            $last = $char;
        }
        return $new . $last;
    }

    /**
     * @param string $string
     * @return string
     */
    public static function base64UrlDecode(string $string): string
    {
        return base64_decode(str_pad(strtr($string, '-_', '+/'), strlen($string) % 4, '=', STR_PAD_RIGHT));
    }

    /**
     * @param string $string
     * @return string
     */
    public static function base64UrlEncode(string $string): string
    {
        return str_replace(['+', '/', '='], ['-', '_', ''], base64_encode($string));
    }

    /**
     * @param int $a
     * @param int $b
     * @return int
     */
    public static function positiveModulo(int $a, int $b): int
    {
        $remainder = $a % $b;
        if ($remainder < 0) {
            $remainder += abs($b);
        }
        return (int)$remainder;
    }

}

1			<?php
2
3			declare(strict_types=1);
4
5			namespace Sysbot\Bin\Common;
6
7			trait BinaryUtils
8			{
9
10			/**
11			* @param string $string
12			* @return string
13			*/
14			public static function rleEncode(string $string): string
15			{
16			$new = '';
17			$count = 0;
18			$null = chr(0);
19			$chars = str_split($string);
20			foreach ($chars as $char) {
21			if ($char === $null) {
22			$count++;
23			continue;
24			}
25			if ($count > 0) {
26			$new .= $null . chr($count);
27			$count = 0;
28			}
29			$new .= $char;
30			}
31			return $new;
32			}
33
34			/**
35			* @param string $string
36			* @return string
37			*/
38			public static function rleDecode(string $string): string
39			{
40			$new = '';
41			$last = '';
42			$null = chr(0);
43			$chars = str_split($string);
44			foreach ($chars as $char) {
45			if ($last === $null) {
46			$new .= str_repeat($last, ord($char));
47			$last = '';
48			continue;
49			}
50			$new .= $last;
51			$last = $char;
52			}
53			return $new . $last;
54			}
55
56			/**
57			* @param string $string
58			* @return string
59			*/
60			public static function base64UrlDecode(string $string): string
61			{
62			return base64_decode(str_pad(strtr($string, '-_', '+/'), strlen($string) % 4, '=', STR_PAD_RIGHT));
63			}
64
65			/**
66			* @param string $string
67			* @return string
68			*/
69			public static function base64UrlEncode(string $string): string
70			{
71			return str_replace(['+', '/', '='], ['-', '_', ''], base64_encode($string));
72			}
73
74			/**
75			* @param int $a
76			* @param int $b
77			* @return int
78			*/
79			public static function positiveModulo(int $a, int $b): int
80			{
81			$remainder = $a % $b;
82			if ($remainder < 0) {
83			$remainder += abs($b);
84			}
85			return (int)$remainder;
86			}
87
88			}

Sysbot-org / bin

BinaryUtils::rleEncode() A last analyzed 2022-06-21 22:29 UTC

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BinaryUtils::rleEncode() A
last analyzed 2022-06-21 22:29 UTC