UriString::getIDNAErrors() - Code Metrics - Inspection of "Code improvements" - thephpleague/uri - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#132)

by Paweł

created 2019-09-17 13:50 UTC

UriString::getIDNAErrors() A

↳ Parent: Project

Complexity

Conditions	4
Paths	6

Size

Total Lines	29
Code Lines	19

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	7
CRAP Score	4

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	4
eloc	19
c	1
b	0
f	0
nc	6
nop	1
dl	0
loc	29
ccs	7
cts	7
cp	1
crap	4
rs	9.6333

<?php

/**
 * League.Uri (https://uri.thephpleague.com)
 *
 * (c) Ignace Nyamagana Butera <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

declare(strict_types=1);

namespace League\Uri;

use League\Uri\Exceptions\SyntaxError;
use TypeError;
use function array_merge;
use function explode;
use function filter_var;
use function gettype;
use function inet_pton;
use function is_scalar;
use function method_exists;
use function preg_match;
use function rawurldecode;
use function sprintf;
use function strpos;
use function substr;
use const FILTER_FLAG_IPV6;
use const FILTER_VALIDATE_IP;

/**
 * A class to parse a URI string according to RFC3986.
 *
 * @see     https://tools.ietf.org/html/rfc3986
 * @package League\Uri
 * @author  Ignace Nyamagana Butera <[email protected]>
 * @since   0.1.0
 */
final class UriString
{
    /**
     * Default URI component values.
     */
    private const URI_COMPONENTS = [
        'scheme' => null,
        'user' => null,
        'pass' => null,
        'host' => null,
        'port' => null,
        'path' => '',
        'query' => null,
        'fragment' => null,
    ];

    /**
     * sSimple URI which do not need any parsing.
     */
    private const URI_SCHORTCUTS = [
        '' => [],
        '#' => ['fragment' => ''],
        '?' => ['query' => ''],
        '?#' => ['query' => '', 'fragment' => ''],
        '/' => ['path' => '/'],
        '//' => ['host' => ''],
    ];

    /**
     * RFC3986 regular expression URI splitter.
     *
     * @see https://tools.ietf.org/html/rfc3986#appendix-B
     */
    private const REGEXP_URI_PARTS = ',^
        (?<scheme>(?<scontent>[^:/?\#]+):)?    # URI scheme component
        (?<authority>//(?<acontent>[^/?\#]*))? # URI authority part
        (?<path>[^?\#]*)                       # URI path component
        (?<query>\?(?<qcontent>[^\#]*))?       # URI query component
        (?<fragment>\#(?<fcontent>.*))?        # URI fragment component
    ,x';

    /**
     * URI scheme regular expresssion.
     *
     * @see https://tools.ietf.org/html/rfc3986#section-3.1
     */
    private const REGEXP_URI_SCHEME = '/^([a-z][a-z\d\+\.\-]*)?$/i';

    /**
     * Invalid path for URI without scheme and authority regular expression.
     *
     * @see https://tools.ietf.org/html/rfc3986#section-3.3
     */
    private const REGEXP_INVALID_PATH = ',^(([^/]*):)(.*)?/,';

    /**
     * Host and Port splitter regular expression.
     */
    private const REGEXP_HOST_PORT = ',^(?<host>\[.*\]|[^:]*)(:(?<port>.*))?$,';

    /**
     * IDN Host detector regular expression.
     */
    private const REGEXP_IDN_PATTERN = '/[^\x20-\x7f]/';

    /**
     * Generate an URI string representation from its parsed representation
     * returned by League\Uri\parse() or PHP's parse_url.
     *
     * If you supply your own array, you are responsible for providing
     * valid components without their URI delimiters.
     *
     * @see https://tools.ietf.org/html/rfc3986#section-5.3
     * @see https://tools.ietf.org/html/rfc3986#section-7.5
     */
    public static function build(array $components): string
    {
        $result = $components['path'] ?? '';

        if (isset($components['query'])) {
            $result .= '?'.$components['query'];
        }

        if (isset($components['fragment'])) {
            $result .= '#'.$components['fragment'];
        }

        $scheme = null;

        if (isset($components['scheme'])) {
            $scheme = $components['scheme'].':';
        }

        if (!isset($components['host'])) {
            return $scheme.$result;
        }

        $scheme .= '//';
        $authority = $components['host'];

        if (isset($components['port'])) {
            $authority .= ':'.$components['port'];
        }

        if (!isset($components['user'])) {
            return $scheme.$authority.$result;
        }

        $authority = '@'.$authority;

        if (!isset($components['pass'])) {
            return $scheme.$components['user'].$authority.$result;
        }

        return $scheme.$components['user'].':'.$components['pass'].$authority.$result;
    }

    /**
     * Parse an URI string into its components.
     *
     * This method parses a URI and returns an associative array containing any
     * of the various components of the URI that are present.
     *
     * <code>
     * $components = (new Parser())->parse('http://[email protected]:42?query#');
     * var_export($components);
     * //will display
     * array(
     *   'scheme' => 'http',           // the URI scheme component
     *   'user' => 'foo',              // the URI user component
     *   'pass' => null,               // the URI pass component
     *   'host' => 'test.example.com', // the URI host component
     *   'port' => 42,                 // the URI port component
     *   'path' => '',                 // the URI path component
     *   'query' => 'query',           // the URI query component
     *   'fragment' => '',             // the URI fragment component
     * );
     * </code>
     *
     * The returned array is similar to PHP's parse_url return value with the following
     * differences:
     *
     * <ul>
     * <li>All components are always present in the returned array</li>
     * <li>Empty and undefined component are treated differently. And empty component is
     *   set to the empty string while an undefined component is set to the `null` value.</li>
     * <li>The path component is never undefined</li>
     * <li>The method parses the URI following the RFC3986 rules but you are still
     *   required to validate the returned components against its related scheme specific rules.</li>
     * </ul>
     *
     * @see https://tools.ietf.org/html/rfc3986
     *
     * @param mixed $uri any scalar or stringable object
     *
     * @throws SyntaxError if the URI contains invalid characters
     * @throws SyntaxError if the URI contains an invalid scheme
     * @throws SyntaxError if the URI contains an invalid path
     */
    public static function parse($uri): array
    {
        if (!is_scalar($uri) && !method_exists($uri, '__toString')) {
            throw new TypeError(sprintf('The uri must be a scalar or a stringable object `%s` given', gettype($uri)));
        }

        $uri = (string) $uri;
        $components = self::parseSimply($uri);

        if ($components !== null) {
            return $components;
        }

        $parts = self::checkSchemePath($uri);

        return array_merge(
            self::URI_COMPONENTS,
            '' === $parts['authority'] ? [] : self::parseAuthority($parts['acontent']),
            [
                'path' => $parts['path'],
                'scheme' => '' === $parts['scheme'] ? null : $parts['scontent'],
                'query' => '' === $parts['query'] ? null : $parts['qcontent'],
                'fragment' => '' === $parts['fragment'] ? null : $parts['fcontent'],
            ]
        );
    }

    /**
     * Parse URI when it can be simply parsed.
     *
     * @throws SyntaxError
     */
    private static function parseSimply(string $uri): ?array
    {
        if (isset(self::URI_SCHORTCUTS[$uri])) {
            return array_merge(self::URI_COMPONENTS, self::URI_SCHORTCUTS[$uri]);
        }

        if (1 === preg_match(Common::REGEXP_INVALID_URI_CHARS, $uri)) {
            throw new SyntaxError(sprintf('The uri `%s` contains invalid characters', $uri));
        }

        //if the first character is a known URI delimiter parsing can be simplified
        $first_char = $uri[0];

        //The URI is made of the fragment only
        if ('#' === $first_char) {
            [, $fragment] = explode('#', $uri, 2);
            $components = self::URI_COMPONENTS;
            $components['fragment'] = $fragment;

            return $components;
        }

        //The URI is made of the query and fragment
        if ('?' === $first_char) {
            [, $partial] = explode('?', $uri, 2);
            [$query, $fragment] = explode('#', $partial, 2) + [1 => null];
            $components = self::URI_COMPONENTS;
            $components['query'] = $query;
            $components['fragment'] = $fragment;

            return $components;
        }

        return null;
    }

    /**
     * Check scheme and path parts of uri.
     *
     * @throws SyntaxError
     */
    private static function checkSchemePath(string $uri): array
    {
        //use RFC3986 URI regexp to split the URI
        preg_match(self::REGEXP_URI_PARTS, $uri, $parts);
        $parts += ['query' => '', 'fragment' => ''];

        if (':' === $parts['scheme'] || 1 !== preg_match(self::REGEXP_URI_SCHEME, $parts['scontent'])) {
            throw new SyntaxError(sprintf('The uri `%s` contains an invalid scheme', $uri));
        }

        if ('' === $parts['scheme'].$parts['authority'] && 1 === preg_match(self::REGEXP_INVALID_PATH, $parts['path'])) {
            throw new SyntaxError(sprintf('The uri `%s` contains an invalid path.', $uri));
        }

        return $parts;
    }

    /**
     * Parses the URI authority part.
     *
     * @see https://tools.ietf.org/html/rfc3986#section-3.2
     *
     * @throws SyntaxError If the port component is invalid
     */
    private static function parseAuthority(string $authority): array
    {
        $components = ['user' => null, 'pass' => null, 'host' => '', 'port' => null];

        if ('' === $authority) {
            return $components;
        }

        $parts = explode('@', $authority, 2);

        if (isset($parts[1])) {
            [$components['user'], $components['pass']] = explode(':', $parts[0], 2) + [1 => null];
        }

        preg_match(self::REGEXP_HOST_PORT, $parts[1] ?? $parts[0], $matches);
        $matches += ['port' => ''];

        $components['port'] = self::filterPort($matches['port']);
        $components['host'] = self::filterHost($matches['host']);

        return $components;
    }

    /**
     * Filter and format the port component.
     *
     * @see https://tools.ietf.org/html/rfc3986#section-3.2.2
     *
     * @throws SyntaxError if the registered name is invalid
     *
     */
    private static function filterPort(string $port): ?int
    {
        if ('' === $port) {
            return null;
        }

        if (1 === preg_match('/^\d*$/', $port)) {
            return (int) $port;
        }

        throw new SyntaxError(sprintf('The port `%s` is invalid', $port));
    }

    /**
     * Returns whether a hostname is valid.
     *
     * @see https://tools.ietf.org/html/rfc3986#section-3.2.2
     *
     * @throws SyntaxError if the registered name is invalid
     */
    private static function filterHost(string $host): string
    {
        if ('' === $host) {
            return $host;
        }

        if ('[' !== $host[0] || ']' !== substr($host, -1)) {
            return Common::filterRegisteredName($host, false);
        }

        if (!self::isIpHost(substr($host, 1, -1))) {
            throw new SyntaxError(sprintf('Host `%s` is invalid : the IP host is malformed', $host));
        }

        return $host;
    }

    /**
     * Validates a IPv6/IPvfuture host.
     *
     * @see https://tools.ietf.org/html/rfc3986#section-3.2.2
     * @see https://tools.ietf.org/html/rfc6874#section-2
     * @see https://tools.ietf.org/html/rfc6874#section-4
     */
    private static function isIpHost(string $ip_host): bool
    {
        if (false !== filter_var($ip_host, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) {
            return true;
        }

        if (1 === preg_match(Common::REGEXP_HOST_IPFUTURE, $ip_host, $matches)) {
            return !in_array($matches['version'], ['4', '6'], true);
        }

        $pos = strpos($ip_host, '%');

        if (false === $pos || 1 === preg_match(
            Common::REGEXP_INVALID_HOST_CHARS,
            rawurldecode(substr($ip_host, $pos))
        )) {
            return false;
        }

        $ip_host = substr($ip_host, 0, $pos);

        return false !== filter_var($ip_host, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)
            && 0 === strpos((string) inet_pton($ip_host), Common::ZONE_ID_ADDRESS_BLOCK);
    }
}


1		<?php
2
3		/**
4		* League.Uri (https://uri.thephpleague.com)
5		*
6		* (c) Ignace Nyamagana Butera <[email protected]>
7		*
8		* For the full copyright and license information, please view the LICENSE
9		* file that was distributed with this source code.
10		*/
11
12		declare(strict_types=1);
13
14		namespace League\Uri;
15
16		use League\Uri\Exceptions\SyntaxError;
17		use TypeError;
18		use function array_merge;
19		use function explode;
20		use function filter_var;
21		use function gettype;
22		use function inet_pton;
23		use function is_scalar;
24		use function method_exists;
25		use function preg_match;
26		use function rawurldecode;
27		use function sprintf;
28		use function strpos;
29		use function substr;
30		use const FILTER_FLAG_IPV6;
31		use const FILTER_VALIDATE_IP;
32
33		/**
34		* A class to parse a URI string according to RFC3986.
35		*
36		* @see https://tools.ietf.org/html/rfc3986
37		* @package League\Uri
38		* @author Ignace Nyamagana Butera <[email protected]>
39		* @since 0.1.0
40		*/
41		final class UriString
42		{
43		/**
44		* Default URI component values.
45		*/
46		private const URI_COMPONENTS = [
47		'scheme' => null,
48		'user' => null,
49		'pass' => null,
50		'host' => null,
51		'port' => null,
52		'path' => '',
53		'query' => null,
54		'fragment' => null,
55		];
56
57		/**
58		* sSimple URI which do not need any parsing.
59		*/
60		private const URI_SCHORTCUTS = [
61		'' => [],
62		'#' => ['fragment' => ''],
63		'?' => ['query' => ''],
64		'?#' => ['query' => '', 'fragment' => ''],
65		'/' => ['path' => '/'],
66		'//' => ['host' => ''],
67		];
68
69		/**
70		* RFC3986 regular expression URI splitter.
71		*
72		* @see https://tools.ietf.org/html/rfc3986#appendix-B
73		*/
74		private const REGEXP_URI_PARTS = ',^
75		(?<scheme>(?<scontent>[^:/?\#]+):)? # URI scheme component
76		(?<authority>//(?<acontent>[^/?\#]*))? # URI authority part
77		(?<path>[^?\#]*) # URI path component
78		(?<query>\?(?<qcontent>[^\#]*))? # URI query component
79		(?<fragment>\#(?<fcontent>.*))? # URI fragment component
80		,x';
81
82		/**
83		* URI scheme regular expresssion.
84		*
85		* @see https://tools.ietf.org/html/rfc3986#section-3.1
86		*/
87		private const REGEXP_URI_SCHEME = '/^([a-z][a-z\d\+\.\-]*)?$/i';
88
89		/**
90		* Invalid path for URI without scheme and authority regular expression.
91		*
92		* @see https://tools.ietf.org/html/rfc3986#section-3.3
93		*/
94		private const REGEXP_INVALID_PATH = ',^(([^/]):)(.)?/,';
95
96		/**
97		* Host and Port splitter regular expression.
98		*/
99		private const REGEXP_HOST_PORT = ',^(?<host>\[.\]\|[^:])(:(?<port>.*))?$,';
100
101		/**
102		* IDN Host detector regular expression.
103		*/
104		private const REGEXP_IDN_PATTERN = '/[^\x20-\x7f]/';
105
106		/**
107		* Generate an URI string representation from its parsed representation
108		* returned by League\Uri\parse() or PHP's parse_url.
109		*
110		* If you supply your own array, you are responsible for providing
111		* valid components without their URI delimiters.
112		*
113		* @see https://tools.ietf.org/html/rfc3986#section-5.3
114		* @see https://tools.ietf.org/html/rfc3986#section-7.5
115		*/
116		public static function build(array $components): string
117		{
118		$result = $components['path'] ?? '';
119
120		if (isset($components['query'])) {
121		$result .= '?'.$components['query'];
122		}
123
124		if (isset($components['fragment'])) {
125		$result .= '#'.$components['fragment'];
126		}
127
128		$scheme = null;
129
130		if (isset($components['scheme'])) {
131		$scheme = $components['scheme'].':';
132		}
133
134		if (!isset($components['host'])) {
135		return $scheme.$result;
136		}
137
138		$scheme .= '//';
139		$authority = $components['host'];
140
141		if (isset($components['port'])) {
142		$authority .= ':'.$components['port'];
143		}
144
145		if (!isset($components['user'])) {
146		return $scheme.$authority.$result;
147		}
148
149		$authority = '@'.$authority;
150
151		if (!isset($components['pass'])) {
152		return $scheme.$components['user'].$authority.$result;
153		}
154
155		return $scheme.$components['user'].':'.$components['pass'].$authority.$result;
156		}
157
158		/**
159		* Parse an URI string into its components.
160		*
161		* This method parses a URI and returns an associative array containing any
162		* of the various components of the URI that are present.
163		*
164		* <code>
165		* $components = (new Parser())->parse('http://[email protected]:42?query#');
166		* var_export($components);
167		* //will display
168		* array(
169		* 'scheme' => 'http', // the URI scheme component
170		* 'user' => 'foo', // the URI user component
171		* 'pass' => null, // the URI pass component
172		* 'host' => 'test.example.com', // the URI host component
173		* 'port' => 42, // the URI port component
174		* 'path' => '', // the URI path component
175	94	* 'query' => 'query', // the URI query component
176		* 'fragment' => '', // the URI fragment component
177	94	* );
178	94	* </code>
179	50	*
180		* The returned array is similar to PHP's parse_url return value with the following
181		* differences:
182	94	*
183	56	* <ul>
184		* <li>All components are always present in the returned array</li>
185		* <li>Empty and undefined component are treated differently. And empty component is
186	94	* set to the empty string while an undefined component is set to the `null` value.</li>
187	94	* <li>The path component is never undefined</li>
188	52	* <li>The method parses the URI following the RFC3986 rules but you are still
189		* required to validate the returned components against its related scheme specific rules.</li>
190		* </ul>
191	94	*
192	42	* @see https://tools.ietf.org/html/rfc3986
193		*
194		* @param mixed $uri any scalar or stringable object
195	52	*
196	52	* @throws SyntaxError if the URI contains invalid characters
197	52	* @throws SyntaxError if the URI contains an invalid scheme
198	14	* @throws SyntaxError if the URI contains an invalid path
199		*/
200		public static function parse($uri): array
201	52	{
202	34	if (!is_scalar($uri) && !method_exists($uri, '__toString')) {
203		throw new TypeError(sprintf('The uri must be a scalar or a stringable object `%s` given', gettype($uri)));
204		}
205	18
206	18	$uri = (string) $uri;
207	4	$components = self::parseSimply($uri);
208
209		if ($components !== null) {
210	14	return $components;
211		}
212
213		$parts = self::checkSchemePath($uri);
214
215		return array_merge(
216		self::URI_COMPONENTS,
217		'' === $parts['authority'] ? [] : self::parseAuthority($parts['acontent']),
218		[
219		'path' => $parts['path'],
220		'scheme' => '' === $parts['scheme'] ? null : $parts['scontent'],
221		'query' => '' === $parts['query'] ? null : $parts['qcontent'],
222		'fragment' => '' === $parts['fragment'] ? null : $parts['fcontent'],
223		]
224		);
225		}
226
227		/**
228		* Parse URI when it can be simply parsed.
229		*
230		* @throws SyntaxError
231		*/
232		private static function parseSimply(string $uri): ?array
233		{
234		if (isset(self::URI_SCHORTCUTS[$uri])) {
235		return array_merge(self::URI_COMPONENTS, self::URI_SCHORTCUTS[$uri]);
236		}
237
238		if (1 === preg_match(Common::REGEXP_INVALID_URI_CHARS, $uri)) {
239		throw new SyntaxError(sprintf('The uri `%s` contains invalid characters', $uri));
240		}
241
242		//if the first character is a known URI delimiter parsing can be simplified
243		$first_char = $uri[0];
244
245		//The URI is made of the fragment only
246		if ('#' === $first_char) {
247		[, $fragment] = explode('#', $uri, 2);
248		$components = self::URI_COMPONENTS;
249		$components['fragment'] = $fragment;
250
251		return $components;
252		}
253
254		//The URI is made of the query and fragment
255	528	if ('?' === $first_char) {
256		[, $partial] = explode('?', $uri, 2);
257	528	[$query, $fragment] = explode('#', $partial, 2) + [1 => null];
258	2	$components = self::URI_COMPONENTS;
259		$components['query'] = $query;
260		$components['fragment'] = $fragment;
261	526
262		return $components;
263	526	}
264	46
265		return null;
266		}
267	496
268	2	/**
269		* Check scheme and path parts of uri.
270		*
271		* @throws SyntaxError
272	494	*/
273		private static function checkSchemePath(string $uri): array
274		{
275	494	//use RFC3986 URI regexp to split the URI
276	6	preg_match(self::REGEXP_URI_PARTS, $uri, $parts);
277	6	$parts += ['query' => '', 'fragment' => ''];
278	6
279		if (':' === $parts['scheme'] \|\| 1 !== preg_match(self::REGEXP_URI_SCHEME, $parts['scontent'])) {
280	6	throw new SyntaxError(sprintf('The uri `%s` contains an invalid scheme', $uri));
281		}
282
283		if ('' === $parts['scheme'].$parts['authority'] && 1 === preg_match(self::REGEXP_INVALID_PATH, $parts['path'])) {
284	490	throw new SyntaxError(sprintf('The uri `%s` contains an invalid path.', $uri));
285	6	}
286	6
287	6	return $parts;
288	6	}
289	6
290		/**
291	6	* Parses the URI authority part.
292		*
293		* @see https://tools.ietf.org/html/rfc3986#section-3.2
294		*
295	486	* @throws SyntaxError If the port component is invalid
296	486	*/
297		private static function parseAuthority(string $authority): array
298	486	{
299	6	$components = ['user' => null, 'pass' => null, 'host' => '', 'port' => null];
300
301		if ('' === $authority) {
302	480	return $components;
303	2	}
304
305		$parts = explode('@', $authority, 2);
306	478
307	478	if (isset($parts[1])) {
308	478	[$components['user'], $components['pass']] = explode(':', $parts[0], 2) + [1 => null];
309		}
310	444
311	444	preg_match(self::REGEXP_HOST_PORT, $parts[1] ?? $parts[0], $matches);
312	444	$matches += ['port' => ''];
313	444
314		$components['port'] = self::filterPort($matches['port']);
315		$components['host'] = self::filterHost($matches['host']);
316
317		return $components;
318		}
319
320		/**
321		* Filter and format the port component.
322		*
323		* @see https://tools.ietf.org/html/rfc3986#section-3.2.2
324		*
325	378	* @throws SyntaxError if the registered name is invalid
326		*
327	378	*/
328	378	private static function filterPort(string $port): ?int
329	14	{
330		if ('' === $port) {
331		return null;
332	366	}
333	366
334	90	if (1 === preg_match('/^\d*$/', $port)) {
335		return (int) $port;
336		}
337	366
338	366	throw new SyntaxError(sprintf('The port `%s` is invalid', $port));
339		}
340	366
341	354	/**
342		* Returns whether a hostname is valid.
343	332	*
344		* @see https://tools.ietf.org/html/rfc3986#section-3.2.2
345		*
346		* @throws SyntaxError if the registered name is invalid
347		*/
348		private static function filterHost(string $host): string
349		{
350		if ('' === $host) {
351		return $host;
352		}
353
354	366	if ('[' !== $host[0] \|\| ']' !== substr($host, -1)) {
355		return Common::filterRegisteredName($host, false);
356	366	}
357	260
358		if (!self::isIpHost(substr($host, 1, -1))) {
359		throw new SyntaxError(sprintf('Host `%s` is invalid : the IP host is malformed', $host));
360	110	}
361	98
362		return $host;
363		}
364	12
365		/**
366		* Validates a IPv6/IPvfuture host.
367		*
368		* @see https://tools.ietf.org/html/rfc3986#section-3.2.2
369		* @see https://tools.ietf.org/html/rfc6874#section-2
370		* @see https://tools.ietf.org/html/rfc6874#section-4
371		*/
372		private static function isIpHost(string $ip_host): bool
373		{
374	354	if (false !== filter_var($ip_host, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) {
375		return true;
376	354	}
377	4
378		if (1 === preg_match(Common::REGEXP_HOST_IPFUTURE, $ip_host, $matches)) {
379		return !in_array($matches['version'], ['4', '6'], true);
380	352	}
381	316
382		$pos = strpos($ip_host, '%');
383
384	36	if (false === $pos \|\| 1 === preg_match(
385	10	Common::REGEXP_INVALID_HOST_CHARS,
386		rawurldecode(substr($ip_host, $pos))
387		)) {
388	26	return false;
389		}
390
391		$ip_host = substr($ip_host, 0, $pos);
392
393		return false !== filter_var($ip_host, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)
394		&& 0 === strpos((string) inet_pton($ip_host), Common::ZONE_ID_ADDRESS_BLOCK);
395		}
396		}
397

thephpleague / uri

Pull Request — master (#132)

UriString::getIDNAErrors() A

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