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<?php |
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/** |
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* Lenevor Framework |
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* |
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* LICENSE |
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* |
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* This source file is subject to the new BSD license that is bundled |
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* with this package in the file license.md. |
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* It is also available through the world-wide-web at this URL: |
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* https://lenevor.com/license |
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* If you did not receive a copy of the license and are unable to |
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* obtain it through the world-wide-web, please send an email |
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* to [email protected] so we can send you a copy immediately. |
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* |
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* @package Lenevor |
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* @subpackage Base |
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* @link https://lenevor.com |
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* @copyright Copyright (c) 2019 - 2023 Alexander Campo <[email protected]> |
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* @license https://opensource.org/licenses/BSD-3-Clause New BSD license or see https://lenevor.com/license or see /license.md |
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*/ |
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namespace Syscodes\Components\Http; |
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use Syscodes\Components\Support\Arr; |
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use Syscodes\Components\Support\Facades\Request; |
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use Syscodes\Components\Http\Exceptions\HttpURIException; |
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/** |
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* Abstraction for a uniform resource identifier (URI). |
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*/ |
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class URI |
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{ |
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/** |
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* Returns default schemes/ports. |
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* |
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* @var array $defaultPorts |
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*/ |
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protected $defaultPorts = [ |
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'http' => 80, |
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'https' => 443, |
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'ftp' => 21, |
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'sftp' => 22 |
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]; |
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/** |
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* The name of any fragment. |
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* |
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* @var string $fragment |
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*/ |
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protected $fragment = ''; |
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/** |
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* The URI Host. |
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* |
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* @var string $host |
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*/ |
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protected $host; |
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/** |
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* The URI User Password. |
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* |
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* @var string $password |
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*/ |
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protected $password; |
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/** |
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* The URI path. |
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* |
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* @var string $path |
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*/ |
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protected $path; |
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/** |
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* The URI Port. |
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* |
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* @var int $port |
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*/ |
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protected $port; |
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/** |
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* The query string. |
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* |
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* @var string $query |
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*/ |
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protected $query; |
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/** |
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* The URI Scheme. |
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* |
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* @var string $scheme |
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*/ |
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protected $scheme = 'http'; |
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/** |
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* Whether passwords should be shown in userInfo/authority calls. |
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* |
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* @var boolean $showPassword |
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*/ |
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protected $showPassword = false; |
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/** |
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* The URI User Info. |
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* |
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* @var string $user |
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*/ |
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protected $user; |
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/** |
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* Constructor. The URI class instance. |
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* |
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* @param string|null $uri |
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* |
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* @return void |
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* |
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* @throws \Syscodes\Components\Http\Exceptions\HttpURIException |
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*/ |
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public function __construct(string $uri = null) |
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{ |
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if ( ! is_null($uri)) { |
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$this->setUri($uri); |
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} |
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} |
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/** |
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* Sets and overwrites any current URI information. |
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* |
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* @param string|null $uri |
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* |
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* @return static |
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* |
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* @throws \Syscodes\Components\Http\Exceptions\HttpURIException |
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*/ |
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public function setUri(string $uri = null): static |
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{ |
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if ( ! is_null($uri)) { |
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$parts = parse_url($uri); |
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if ($parts === false) { |
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throw HttpURIException::UnableToParseURI($uri); |
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} |
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$this->applyParts($parts); |
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} |
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return $this; |
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} |
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/** |
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* Returns the full URI string. |
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* |
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* @return string The URI string |
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*/ |
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public function get(): string |
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{ |
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return '/'.ltrim($this->path, '/'); |
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} |
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/** |
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* Sets of URI string. |
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* |
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* @param string $uri |
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* |
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* @return static |
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*/ |
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public function set(string $uri): static |
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{ |
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$this->path = $uri; |
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return $this; |
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} |
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/** |
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* Retrieve the path component of the URI. The path can either be empty or absolute |
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* (starting with a slash) or rootless (not starting with a slash). |
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* |
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* @return string |
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*/ |
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public function getPath(): string |
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{ |
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return (is_null($this->path) ? '' : $this->path); |
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} |
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/** |
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* Sets the path portion of the URI. |
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* |
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* @param string $uri |
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* |
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* @return array |
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*/ |
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public function setPath(string $uri): array |
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{ |
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$this->path = $this->filterPath($uri); |
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$tempPath = trim($this->path, '/'); |
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return $this->filterSegments($tempPath); |
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} |
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/** |
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* Encodes any dangerous characters. |
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* |
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* @param string $uri |
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* |
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* @return string |
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*/ |
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protected function filterPath(string $uri): string |
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{ |
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return urldecode($uri); |
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} |
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/** |
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* Filter the segments of path. |
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* |
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* @param string $uri |
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* |
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* @return string[] |
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*/ |
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protected function filterSegments(string $uri): array |
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{ |
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return ($uri == '') ? [] : explode('/', $uri); |
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} |
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/** |
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* Get the specified URI segment, return default if it doesn't exist. |
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* Segment index is 1 based, not 0 based. |
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* |
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* @param int $index The 1-based segment index |
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* @param mixed $default The default value |
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* |
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* @return mixed |
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*/ |
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public function getSegment(int $index, $default = null): mixed |
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{ |
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return Arr::get($this->getSegments(), $index - 1, $default); |
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} |
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/** |
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* Returns the segments of the path as an array. |
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* |
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* @return array The URI segments |
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*/ |
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public function getSegments(): array |
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{ |
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$segments = $this->setPath(Request::decodedPath()); |
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return array_values(array_filter($segments, fn ($value) => $value != '')); |
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} |
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/** |
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* Returns the total number of segment. |
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* |
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* @return int |
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*/ |
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public function getTotalSegments(): int |
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{ |
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return count($this->getSegments()); |
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} |
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/** |
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* Retrieve the scheme component of the URI. |
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* |
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* @return string |
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*/ |
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public function getScheme(): string |
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{ |
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return $this->scheme; |
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} |
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/** |
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* Sets the scheme for this URI. |
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* |
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* @param string $str |
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* |
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* @return string |
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*/ |
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public function setScheme(string $str): string |
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{ |
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$str = preg_replace('~:(//)?$~', '', strtolower($str)); |
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$this->scheme = $str; |
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return $this->scheme; |
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} |
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/** |
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* Retrieve the user component of the URI. |
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* |
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* @return string|null |
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*/ |
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public function getUserInfo() |
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{ |
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$user = $this->user; |
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$pass = $this->password; |
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if ($this->showPassword === true && ! empty($pass)) { |
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$user .= ":$pass"; |
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} |
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return $user; |
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} |
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/** |
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* Sets the user portion of the URI. |
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* |
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* @param string $user |
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* |
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* @return string|null |
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*/ |
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public function setUser($user): string |
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{ |
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$this->user = trim($user); |
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return $this->user; |
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} |
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/** |
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* Sets the password portion of the URI. |
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* |
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* @param string $password |
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* |
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* @return string|null |
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*/ |
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public function setPassword($password): string |
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{ |
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$this->password = trim($password); |
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return $this->password; |
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} |
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/** |
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* Temporarily sets the URI to show a password in userInfo. |
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* |
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* @param boolean $option |
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* |
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* @return static |
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*/ |
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public function showPassword(bool $option = true): static |
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{ |
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$this->showPassword = $option; |
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return $this; |
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} |
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/** |
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* Retrieve the authority component of the URI. |
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* |
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* @param boolean $ignore |
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* |
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* @return string |
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*/ |
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public function getAuthority(bool $ignore = false): string |
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{ |
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if (empty($this->host)) { |
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return ''; |
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} |
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$authority = $this->host; |
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if ( ! empty($this->getUserInfo())) { |
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$authority = $this->getUserInfo().'@'.$authority; |
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} |
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if ( ! empty($this->port) && ! $ignore) { |
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if ($this->port !== $this->defaultPorts[$this->scheme]) { |
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$authority .= ":$this->port"; |
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} |
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} |
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$this->showPassword = false; |
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return $authority; |
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} |
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/** |
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* Parses the given string an saves the appropriate authority pieces. |
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* |
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* @param string $str |
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* |
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* @return static |
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*/ |
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public function setAuthority(string $str): static |
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{ |
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$parts = parse_url($str); |
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if (empty($parts['host']) && ! empty($parts['path'])) { |
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$parts['host'] = $parts['path']; |
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unset($parts['path']); |
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} |
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$this->applyParts($parts); |
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return $this; |
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} |
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/** |
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* Retrieve the host component of the URI. |
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* |
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* @return string |
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*/ |
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public function getHost(): string |
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{ |
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return $this->host; |
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} |
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/** |
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* Sets the host name to use. |
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* |
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* @param string $str |
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* |
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* @return string |
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*/ |
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public function setHost(string $str): string |
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{ |
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$this->host = trim($str); |
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return $this->host; |
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} |
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/** |
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* Retrieve the port component of the URI. |
422
|
|
|
* |
423
|
|
|
* @return int|null |
424
|
|
|
*/ |
425
|
|
|
public function getPort() |
426
|
|
|
{ |
427
|
|
|
return $this->port; |
428
|
|
|
} |
429
|
|
|
|
430
|
|
|
/** |
431
|
|
|
* Sets the port portion of the URI. |
432
|
|
|
* |
433
|
|
|
* @param int|null $port |
434
|
|
|
* |
435
|
|
|
* @return string |
436
|
|
|
*/ |
437
|
|
|
public function setPort(int $port = null): string |
438
|
|
|
{ |
439
|
|
|
if (is_null($port)) { |
440
|
|
|
return $this; |
441
|
|
|
} |
442
|
|
|
|
443
|
|
|
if ($port <= 0 || $port > 65355) { |
444
|
|
|
throw HttpURIException::invalidPort($port); |
445
|
|
|
} |
446
|
|
|
|
447
|
|
|
$this->port = $port; |
448
|
|
|
|
449
|
|
|
return $this->port; |
450
|
|
|
} |
451
|
|
|
|
452
|
|
|
/** |
453
|
|
|
* Retrieve a URI fragment. |
454
|
|
|
* |
455
|
|
|
* @return string |
456
|
|
|
*/ |
457
|
|
|
public function getFragment(): string |
458
|
|
|
{ |
459
|
|
|
return is_null($this->fragment) ? '' : $this->fragment; |
|
|
|
|
460
|
|
|
} |
461
|
|
|
|
462
|
|
|
/** |
463
|
|
|
* Sets the fragment portion of the URI. |
464
|
|
|
* |
465
|
|
|
* @param string $str |
466
|
|
|
* |
467
|
|
|
* @return string |
468
|
|
|
*/ |
469
|
|
|
public function setFragment(string $str): string |
470
|
|
|
{ |
471
|
|
|
$this->fragment = trim($str, '# '); |
472
|
|
|
|
473
|
|
|
return $this->fragment; |
474
|
|
|
} |
475
|
|
|
|
476
|
|
|
/** |
477
|
|
|
* Saves our parts from a parse_url call. |
478
|
|
|
* |
479
|
|
|
* @param array $parts |
480
|
|
|
* |
481
|
|
|
* @return mixed |
482
|
|
|
*/ |
483
|
|
|
public function applyParts(array $paths) |
|
|
|
|
484
|
|
|
{ |
485
|
|
|
if (isset($parts['scheme'])) { |
|
|
|
|
486
|
|
|
$this->SetScheme(rtrim($parts['scheme'], ':/')); |
487
|
|
|
} else { |
488
|
|
|
$this->setScheme('http'); |
489
|
|
|
} |
490
|
|
|
|
491
|
|
|
if ( ! empty($parts['host'])) { |
492
|
|
|
$this->host = $parts['host']; |
493
|
|
|
} |
494
|
|
|
|
495
|
|
|
if (isset($parts['port'])) { |
496
|
|
|
if ( ! is_null($parts['port'])) { |
|
|
|
|
497
|
|
|
$this->port = $parts['port']; |
498
|
|
|
} |
499
|
|
|
} |
500
|
|
|
|
501
|
|
|
if ( ! empty($parts['user'])) { |
502
|
|
|
$this->user = $parts['user']; |
503
|
|
|
} |
504
|
|
|
|
505
|
|
|
if ( ! empty($parts['pass'])) { |
506
|
|
|
$this->password = $parts['pass']; |
507
|
|
|
} |
508
|
|
|
|
509
|
|
|
if ( ! empty($parts['path'])) { |
510
|
|
|
$this->path = $this->filterPath($parts['path']); |
511
|
|
|
} |
512
|
|
|
|
513
|
|
|
if ( ! empty($parts['fragment'])) { |
514
|
|
|
$this->fragment = $parts['fragment']; |
515
|
|
|
} |
516
|
|
|
} |
517
|
|
|
|
518
|
|
|
/** |
519
|
|
|
* Magic method. |
520
|
|
|
* |
521
|
|
|
* Returns the URI string. |
522
|
|
|
* |
523
|
|
|
* @return string |
524
|
|
|
*/ |
525
|
|
|
public function __toString(): string |
526
|
|
|
{ |
527
|
|
|
return (string) $this->getPath(); |
528
|
|
|
} |
529
|
|
|
} |
Let?s assume that you have a directory layout like this:
and let?s assume the following content of
Bar.php
:If both files
OtherDir/Foo.php
andSomeDir/Foo.php
are loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.php
However, as
OtherDir/Foo.php
does not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php
, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: