URLInfo_Schemes::detectScheme() - Code Metrics - Inspection of "Added changes." - Mistralys/application-utils - Measure and Improve Code Quality continuously with Scrutinizer

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by Sebastian

created 2021-06-21 10:53 UTC

URLInfo_Schemes::detectScheme() A

↳ Parent: URLInfo_Schemes

Complexity

Conditions	3
Paths	3

Size

Total Lines	11
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
eloc	5
c	1
b	0
f	0
dl	0
loc	11
rs	10
cc	3
nc	3
nop	1

<?php

declare(strict_types=1);

namespace AppUtils;

/**
 * Class URLInfo_Schemes
 * @package AppUtils
 *
 * @link https://en.wikipedia.org/wiki/List_of_URI_schemes
 */
class URLInfo_Schemes
{
    /**
     * @var string[]
     */
    protected static $schemes = array(
        'http://',
        'https://',
        'mailto:',
        'tel:',
        'git://'


        /*
        'ftp://',
        'sftp://',
        'smb://',
        'sms:',
        'udp://',
        'vnc://',
        'xmpp:',
        'svn:',
        'svn+ssh:',
        'ssh://',
        'bitcoin:',
        'callto:',
        'chrome://',
        'dns://',
        'dns:',
        'ed2k://',
        'facetime://',
        'feed://',
        'feed:',
        'file://',
        'geo:',
        'ldap://',
        'ldaps://',
        'magnet:',
        'im:',
        'steam://',
        'steam:', // command line URI
        'telnet://',
        'teamspeak://'
        */
    );

    /**
     * @var array<string,int>
     */
    protected static $cache = array();

    /**
     * Tries to detect a valid scheme in the specified URL,
     * using the internal list of known schemes.
     *
     * @param string $url
     * @return string|null
     */
    public static function detectScheme(string $url) : ?string
    {
        self::buildCache();

        foreach(self::$cache as $scheme => $length) {
            if(strtolower(substr($url, 0, $length)) === $scheme) {
                return $scheme;
            }
        }

        return null;
    }

    /**
     * Stores the length of each scheme to avoid
     * doing this each time we want to detect a
     * scheme.
     */
    private static function buildCache() : void
    {
        if(!empty(self::$cache)) {
            return;
        }

        foreach(self::$schemes as $scheme) {
            self::$cache[$scheme] = strlen($scheme);
        }
    }
}


1			<?php
2
3			declare(strict_types=1);
4
5			namespace AppUtils;
6
7			/**
8			* Class URLInfo_Schemes
9			* @package AppUtils
10			*
11			* @link https://en.wikipedia.org/wiki/List_of_URI_schemes
12			*/
13			class URLInfo_Schemes
14			{
15			/**
16			* @var string[]
17			*/
18			protected static $schemes = array(
19			'http://',
20			'https://',
21			'mailto:',
22			'tel:',
23			'git://'
24
25
26			/*
27			'ftp://',
28			'sftp://',
29			'smb://',
30			'sms:',
31			'udp://',
32			'vnc://',
33			'xmpp:',
34			'svn:',
35			'svn+ssh:',
36			'ssh://',
37			'bitcoin:',
38			'callto:',
39			'chrome://',
40			'dns://',
41			'dns:',
42			'ed2k://',
43			'facetime://',
44			'feed://',
45			'feed:',
46			'file://',
47			'geo:',
48			'ldap://',
49			'ldaps://',
50			'magnet:',
51			'im:',
52			'steam://',
53			'steam:', // command line URI
54			'telnet://',
55			'teamspeak://'
56			*/
57			);
58
59			/**
60			* @var array<string,int>
61			*/
62			protected static $cache = array();
63
64			/**
65			* Tries to detect a valid scheme in the specified URL,
66			* using the internal list of known schemes.
67			*
68			* @param string $url
69			* @return string\|null
70			*/
71			public static function detectScheme(string $url) : ?string
72			{
73			self::buildCache();
74
75			foreach(self::$cache as $scheme => $length) {
76			if(strtolower(substr($url, 0, $length)) === $scheme) {
77			return $scheme;
78			}
79			}
80
81			return null;
82			}
83
84			/**
85			* Stores the length of each scheme to avoid
86			* doing this each time we want to detect a
87			* scheme.
88			*/
89			private static function buildCache() : void
90			{
91			if(!empty(self::$cache)) {
92			return;
93			}
94
95			foreach(self::$schemes as $scheme) {
96			self::$cache[$scheme] = strlen($scheme);
97			}
98			}
99			}
100

Mistralys / application-utils

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URLInfo_Schemes::detectScheme() A

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