| Total Complexity | 53 | 
| Total Lines | 496 | 
| Duplicated Lines | 0 % | 
| Changes | 5 | ||
| Bugs | 0 | Features | 0 | 
Complex classes like URI often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use URI, and based on these observations, apply Extract Interface, too.
| 1 | <?php  | 
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| 32 | class URI  | 
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| 33 | { | 
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| 34 | /**  | 
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| 35 | * Returns default schemes/ports.  | 
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| 36 | *  | 
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| 37 | * @var array $defaultPorts  | 
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| 38 | */  | 
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| 39 | protected $defaultPorts = [  | 
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| 40 | 'http' => 80,  | 
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| 41 | 'https' => 443,  | 
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| 42 | 'ftp' => 21,  | 
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| 43 | 'sftp' => 22  | 
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| 44 | ];  | 
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| 45 | |||
| 46 | /**  | 
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| 47 | * The name of any fragment.  | 
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| 48 | *  | 
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| 49 | * @var string $fragment  | 
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| 50 | */  | 
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| 51 | protected $fragment = '';  | 
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| 52 | |||
| 53 | /**  | 
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| 54 | * The URI Host.  | 
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| 55 | *  | 
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| 56 | * @var string $host  | 
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| 57 | */  | 
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| 58 | protected $host;  | 
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| 59 | |||
| 60 | /**  | 
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| 61 | * The URI User Password.  | 
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| 62 | *  | 
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| 63 | * @var string $password  | 
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| 64 | */  | 
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| 65 | protected $password;  | 
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| 66 | |||
| 67 | /**  | 
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| 68 | * The URI path.  | 
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| 69 | *  | 
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| 70 | * @var string $path  | 
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| 71 | */  | 
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| 72 | protected $path;  | 
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| 73 | |||
| 74 | /**  | 
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| 75 | * The URI Port.  | 
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| 76 | *  | 
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| 77 | * @var int $port  | 
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| 78 | */  | 
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| 79 | protected $port;  | 
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| 80 | |||
| 81 | /**  | 
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| 82 | * The query string.  | 
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| 83 | *  | 
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| 84 | * @var string $query  | 
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| 85 | */  | 
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| 86 | protected $query;  | 
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| 87 | |||
| 88 | /**  | 
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| 89 | * The URI Scheme.  | 
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| 90 | *  | 
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| 91 | * @var string $scheme  | 
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| 92 | */  | 
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| 93 | protected $scheme = 'http';  | 
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| 94 | |||
| 95 | /**  | 
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| 96 | * Whether passwords should be shown in userInfo/authority calls.  | 
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| 97 | *  | 
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| 98 | * @var boolean $showPassword  | 
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| 99 | */  | 
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| 100 | protected $showPassword = false;  | 
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| 101 | |||
| 102 | /**  | 
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| 103 | * The URI User Info.  | 
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| 104 | *  | 
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| 105 | * @var string $user  | 
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| 106 | */  | 
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| 107 | protected $user;  | 
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| 108 | |||
| 109 | /**  | 
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| 110 | * Constructor. The URI class instance.  | 
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| 111 | *  | 
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| 112 | * @param string|null $uri  | 
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| 113 | *  | 
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| 114 | * @return void  | 
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| 115 | *  | 
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| 116 | * @throws \Syscodes\Components\Http\Exceptions\HttpURIException  | 
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| 117 | */  | 
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| 118 | public function __construct(string $uri = null)  | 
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| 119 | 	{ | 
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| 120 | 		if ( ! is_null($uri)) { | 
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| 121 | $this->setUri($uri);  | 
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| 122 | }  | 
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| 123 | }  | 
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| 124 | |||
| 125 | /**  | 
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| 126 | * Sets and overwrites any current URI information.  | 
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| 127 | *  | 
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| 128 | * @param string|null $uri  | 
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| 129 | *  | 
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| 130 | * @return static  | 
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| 131 | *  | 
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| 132 | * @throws \Syscodes\Components\Http\Exceptions\HttpURIException  | 
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| 133 | */  | 
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| 134 | public function setUri(string $uri = null): static  | 
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| 135 | 	{ | 
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| 136 | 		if ( ! is_null($uri)) { | 
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| 137 | $parts = parse_url($uri);  | 
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| 138 | |||
| 139 | 			if ($parts === false) { | 
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| 140 | throw HttpURIException::UnableToParseURI($uri);  | 
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| 141 | }  | 
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| 142 | |||
| 143 | $this->applyParts($parts);  | 
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| 144 | }  | 
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| 145 | |||
| 146 | return $this;  | 
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| 147 | }  | 
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| 148 | |||
| 149 | /**  | 
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| 150 | * Returns the full URI string.  | 
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| 151 | *  | 
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| 152 | * @return string The URI string  | 
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| 153 | */  | 
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| 154 | public function get(): string  | 
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| 155 | 	{ | 
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| 156 | return '/'.ltrim($this->path, '/');  | 
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| 157 | }  | 
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| 158 | |||
| 159 | /**  | 
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| 160 | * Sets of URI string.  | 
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| 161 | *  | 
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| 162 | * @param string $uri  | 
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| 163 | *  | 
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| 164 | * @return static  | 
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| 165 | */  | 
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| 166 | public function set(string $uri): static  | 
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| 167 | 	{ | 
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| 168 | $this->path = $uri;  | 
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| 169 | |||
| 170 | return $this;  | 
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| 171 | }  | 
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| 172 | |||
| 173 | /**  | 
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| 174 | * Retrieve the path component of the URI. The path can either be empty or absolute  | 
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| 175 | * (starting with a slash) or rootless (not starting with a slash).  | 
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| 176 | *  | 
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| 177 | * @return string  | 
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| 178 | */  | 
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| 179 | public function getPath(): string  | 
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| 182 | }  | 
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| 183 | |||
| 184 | /**  | 
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| 185 | * Sets the path portion of the URI.  | 
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| 186 | *  | 
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| 187 | * @param string $uri  | 
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| 188 | *  | 
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| 189 | * @return array  | 
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| 190 | */  | 
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| 191 | public function setPath(string $uri): array  | 
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| 192 | 	{ | 
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| 193 | $this->path = $this->filterPath($uri);  | 
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| 194 | |||
| 195 | $tempPath = trim($this->path, '/');  | 
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| 196 | |||
| 197 | return $this->filterSegments($tempPath);  | 
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| 198 | }  | 
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| 199 | |||
| 200 | /**  | 
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| 201 | * Encodes any dangerous characters.  | 
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| 202 | *  | 
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| 203 | * @param string $uri  | 
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| 204 | *  | 
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| 205 | * @return string  | 
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| 206 | */  | 
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| 207 | protected function filterPath(string $uri): string  | 
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| 208 | 	{ | 
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| 209 | return urldecode($uri);  | 
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| 210 | }  | 
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| 211 | |||
| 212 | /**  | 
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| 213 | * Filter the segments of path.  | 
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| 214 | *  | 
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| 215 | * @param string $uri  | 
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| 216 | *  | 
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| 217 | * @return string[]  | 
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| 218 | */  | 
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| 219 | protected function filterSegments(string $uri): array  | 
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| 220 | 	{ | 
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| 221 | 		return ($uri == '') ? [] : explode('/', $uri); | 
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| 222 | }  | 
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| 223 | |||
| 224 | /**  | 
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| 225 | * Get the specified URI segment, return default if it doesn't exist.  | 
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| 226 | * Segment index is 1 based, not 0 based.  | 
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| 227 | *  | 
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| 228 | * @param int $index The 1-based segment index  | 
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| 229 | * @param mixed $default The default value  | 
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| 230 | *  | 
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| 231 | * @return mixed  | 
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| 232 | */  | 
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| 233 | public function getSegment(int $index, $default = null): mixed  | 
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| 234 | 	{ | 
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| 235 | return Arr::get($this->getSegments(), $index - 1, $default);  | 
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| 236 | }  | 
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| 237 | |||
| 238 | /**  | 
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| 239 | * Returns the segments of the path as an array.  | 
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| 240 | *  | 
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| 241 | * @return array The URI segments  | 
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| 242 | */  | 
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| 243 | public function getSegments(): array  | 
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| 244 | 	{ | 
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| 245 | $segments = $this->setPath(Request::decodedPath());  | 
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| 246 | |||
| 247 | return array_values(array_filter($segments, fn ($value) => $value != ''));  | 
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| 248 | }  | 
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| 249 | |||
| 250 | /**  | 
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| 251 | * Returns the total number of segment.  | 
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| 252 | *  | 
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| 253 | * @return int  | 
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| 254 | */  | 
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| 255 | public function getTotalSegments(): int  | 
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| 256 | 	{ | 
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| 257 | return count($this->getSegments());  | 
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| 258 | }  | 
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| 259 | |||
| 260 | /**  | 
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| 261 | * Retrieve the scheme component of the URI.  | 
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| 262 | *  | 
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| 263 | * @return string  | 
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| 264 | */  | 
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| 265 | public function getScheme(): string  | 
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| 266 | 	{ | 
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| 267 | return $this->scheme;  | 
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| 268 | }  | 
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| 269 | |||
| 270 | /**  | 
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| 271 | * Sets the scheme for this URI.  | 
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| 272 | *  | 
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| 273 | * @param string $str  | 
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| 274 | *  | 
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| 275 | * @return string  | 
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| 276 | */  | 
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| 277 | public function setScheme(string $str): string  | 
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| 278 | 	{ | 
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| 279 | 		$str = preg_replace('~:(//)?$~', '', strtolower($str)); | 
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| 280 | |||
| 281 | $this->scheme = $str;  | 
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| 282 | |||
| 283 | return $this->scheme;  | 
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| 284 | }  | 
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| 285 | |||
| 286 | /**  | 
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| 287 | * Retrieve the user component of the URI.  | 
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| 288 | *  | 
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| 289 | * @return string|null  | 
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| 290 | */  | 
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| 291 | public function getUserInfo()  | 
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| 292 | 	{ | 
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| 293 | $user = $this->user;  | 
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| 294 | $pass = $this->password;  | 
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| 295 | |||
| 296 | 		if ($this->showPassword === true && ! empty($pass)) { | 
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| 297 | $user .= ":$pass";  | 
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| 298 | }  | 
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| 299 | |||
| 300 | return $user;  | 
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| 301 | }  | 
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| 302 | |||
| 303 | /**  | 
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| 304 | * Sets the user portion of the URI.  | 
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| 305 | *  | 
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| 306 | * @param string $user  | 
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| 307 | *  | 
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| 308 | * @return string|null  | 
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| 309 | */  | 
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| 310 | public function setUser($user): string  | 
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| 311 | 	{ | 
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| 312 | $this->user = trim($user);  | 
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| 313 | |||
| 314 | return $this->user;  | 
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| 315 | }  | 
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| 316 | |||
| 317 | /**  | 
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| 318 | * Sets the password portion of the URI.  | 
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| 319 | *  | 
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| 320 | * @param string $password  | 
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| 321 | *  | 
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| 322 | * @return string|null  | 
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| 323 | */  | 
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| 324 | public function setPassword($password): string  | 
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| 329 | }  | 
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| 330 | |||
| 331 | /**  | 
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| 332 | * Temporarily sets the URI to show a password in userInfo.  | 
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| 333 | *  | 
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| 334 | * @param boolean $option  | 
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| 335 | *  | 
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| 336 | * @return static  | 
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| 337 | */  | 
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| 338 | public function showPassword(bool $option = true): static  | 
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| 339 | 	{ | 
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| 340 | $this->showPassword = $option;  | 
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| 341 | |||
| 342 | return $this;  | 
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| 343 | }  | 
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| 344 | |||
| 345 | /**  | 
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| 346 | * Retrieve the authority component of the URI.  | 
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| 347 | *  | 
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| 348 | * @param boolean $ignore  | 
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| 349 | *  | 
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| 350 | * @return string  | 
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| 351 | */  | 
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| 352 | public function getAuthority(bool $ignore = false): string  | 
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| 353 | 	{ | 
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| 354 | 		if (empty($this->host)) { | 
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| 355 | return '';  | 
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| 356 | }  | 
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| 357 | |||
| 358 | $authority = $this->host;  | 
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| 359 | |||
| 360 | 		if ( ! empty($this->getUserInfo())) { | 
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| 361 | $authority = $this->getUserInfo().'@'.$authority;  | 
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| 362 | }  | 
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| 363 | |||
| 364 | 		if ( ! empty($this->port) && ! $ignore) { | 
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| 365 | 			if ($this->port !== $this->defaultPorts[$this->scheme]) { | 
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| 366 | $authority .= ":$this->port";  | 
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| 367 | }  | 
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| 368 | }  | 
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| 369 | |||
| 370 | $this->showPassword = false;  | 
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| 371 | |||
| 372 | return $authority;  | 
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| 373 | }  | 
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| 374 | |||
| 375 | /**  | 
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| 376 | * Parses the given string an saves the appropriate authority pieces.  | 
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| 377 | *  | 
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| 378 | * @param string $str  | 
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| 379 | *  | 
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| 380 | * @return static  | 
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| 381 | */  | 
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| 382 | public function setAuthority(string $str): static  | 
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| 383 | 	{ | 
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| 384 | $parts = parse_url($str);  | 
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| 385 | |||
| 386 | 		if (empty($parts['host']) && ! empty($parts['path'])) { | 
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| 387 | $parts['host'] = $parts['path'];  | 
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| 388 | unset($parts['path']);  | 
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| 389 | }  | 
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| 390 | |||
| 391 | $this->applyParts($parts);  | 
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| 392 | |||
| 393 | return $this;  | 
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| 394 | }  | 
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| 395 | |||
| 396 | /**  | 
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| 397 | * Retrieve the host component of the URI.  | 
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| 398 | *  | 
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| 399 | * @return string  | 
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| 400 | */  | 
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| 401 | public function getHost(): string  | 
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| 402 | 	{ | 
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| 403 | return $this->host;  | 
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| 404 | }  | 
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| 405 | |||
| 406 | /**  | 
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| 407 | * Sets the host name to use.  | 
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| 408 | *  | 
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| 409 | * @param string $str  | 
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| 410 | *  | 
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| 411 | * @return string  | 
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| 412 | */  | 
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| 413 | public function setHost(string $str): string  | 
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| 418 | }  | 
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| 419 | |||
| 420 | /**  | 
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| 421 | * Retrieve the port component of the URI.  | 
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| 422 | *  | 
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| 423 | * @return int|null  | 
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| 424 | */  | 
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| 425 | public function getPort()  | 
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| 426 | 	{ | 
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| 427 | return $this->port;  | 
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| 428 | }  | 
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| 429 | |||
| 430 | /**  | 
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| 431 | * Sets the port portion of the URI.  | 
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| 432 | *  | 
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| 433 | * @param int|null $port  | 
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| 434 | *  | 
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| 435 | * @return string  | 
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| 436 | */  | 
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| 437 | public function setPort(int $port = null): string  | 
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| 450 | }  | 
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| 451 | |||
| 452 | /**  | 
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| 453 | * Retrieve a URI fragment.  | 
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| 454 | *  | 
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| 455 | * @return string  | 
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| 456 | */  | 
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| 457 | public function getFragment(): string  | 
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| 458 | 	{ | 
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| 459 | return is_null($this->fragment) ? '' : $this->fragment;  | 
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| 460 | }  | 
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| 461 | |||
| 462 | /**  | 
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| 463 | * Sets the fragment portion of the URI.  | 
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| 464 | *  | 
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| 465 | * @param string $str  | 
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| 466 | *  | 
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| 467 | * @return string  | 
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| 468 | */  | 
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| 469 | public function setFragment(string $str): string  | 
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| 474 | }  | 
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| 475 | |||
| 476 | /**  | 
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| 477 | * Saves our parts from a parse_url call.  | 
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| 478 | *  | 
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| 479 | * @param array $parts  | 
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| 480 | *  | 
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| 481 | * @return mixed  | 
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| 482 | */  | 
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| 483 | public function applyParts(array $paths)  | 
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| 484 | 	{ | 
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| 485 | 		if (isset($parts['scheme'])) { | 
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| 486 | $this->SetScheme(rtrim($parts['scheme'], ':/'));  | 
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| 487 | 		} else { | 
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| 488 | 			$this->setScheme('http'); | 
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| 489 | }  | 
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| 490 | |||
| 491 | 		if ( ! empty($parts['host'])) { | 
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| 492 | $this->host = $parts['host'];  | 
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| 493 | }  | 
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| 494 | |||
| 495 | 		if (isset($parts['port'])) { | 
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| 496 | 			if ( ! is_null($parts['port'])) { | 
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| 497 | $this->port = $parts['port'];  | 
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| 498 | }  | 
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| 499 | }  | 
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| 500 | |||
| 501 | 		if ( ! empty($parts['user'])) { | 
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| 502 | $this->user = $parts['user'];  | 
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| 503 | }  | 
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| 504 | |||
| 505 | 		if ( ! empty($parts['pass'])) { | 
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| 506 | $this->password = $parts['pass'];  | 
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| 507 | }  | 
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| 508 | |||
| 509 | 		if ( ! empty($parts['path'])) { | 
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| 510 | $this->path = $this->filterPath($parts['path']);  | 
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| 511 | }  | 
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| 512 | |||
| 513 | 		if ( ! empty($parts['fragment'])) { | 
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| 514 | $this->fragment = $parts['fragment'];  | 
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| 515 | }  | 
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| 516 | }  | 
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| 517 | |||
| 518 | /**  | 
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| 519 | * Magic method.  | 
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| 520 | *  | 
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| 521 | * Returns the URI string.  | 
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| 522 | *  | 
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| 523 | * @return string  | 
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| 524 | */  | 
            ||
| 525 | public function __toString(): string  | 
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| 528 | }  | 
            ||
| 529 | }  | 
            
Let?s assume that you have a directory layout like this:
. |-- OtherDir | |-- Bar.php | `-- Foo.php `-- SomeDir `-- Foo.phpand let?s assume the following content of
Bar.php:If both files
OtherDir/Foo.phpandSomeDir/Foo.phpare 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.phpHowever, as
OtherDir/Foo.phpdoes 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: