Complex classes like Request 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. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
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 Request, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 10 | class Request |
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| 11 | { |
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| 12 | use SingletonTrait; |
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| 13 | |||
| 14 | const VERB_GET = 'GET'; |
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| 15 | const VERB_POST = 'POST'; |
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| 16 | const VERB_PUT = 'PUT'; |
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| 17 | const VERB_DELETE = 'DELETE'; |
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| 18 | const VERB_OPTIONS = 'OPTIONS'; |
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| 19 | const VERB_HEAD = 'HEAD'; |
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| 20 | const VERB_PATCH = 'PATCH'; |
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| 21 | |||
| 22 | /** |
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| 23 | * @var array |
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| 24 | */ |
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| 25 | protected $server; |
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| 26 | /** |
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| 27 | * @var array |
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| 28 | */ |
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| 29 | protected $cookies; |
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| 30 | /** |
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| 31 | * @var array |
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| 32 | */ |
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| 33 | protected $upload; |
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| 34 | /** |
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| 35 | * @var array |
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| 36 | */ |
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| 37 | protected $header; |
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| 38 | /** |
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| 39 | * @var array |
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| 40 | */ |
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| 41 | protected $data; |
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| 42 | /** |
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| 43 | * @var array |
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| 44 | */ |
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| 45 | protected $raw = []; |
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| 46 | /** |
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| 47 | * @var array |
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| 48 | */ |
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| 49 | protected $query; |
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| 50 | /** |
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| 51 | * @var bool |
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| 52 | */ |
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| 53 | private $isLoaded = false; |
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| 54 | |||
| 55 | 2 | public function init() |
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| 66 | |||
| 67 | /** |
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| 68 | * @return bool |
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| 69 | */ |
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| 70 | 1 | public function isLoaded() { |
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| 73 | |||
| 74 | /** |
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| 75 | * Método que devuelve las cabeceras de la petición |
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| 76 | * @return array |
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| 77 | */ |
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| 78 | 2 | private function parseHeaders() |
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| 82 | |||
| 83 | /** |
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| 84 | * Método que verifica si existe una cabecera concreta |
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| 85 | * @param $header |
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| 86 | * |
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| 87 | * @return boolean |
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| 88 | */ |
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| 89 | 4 | public function hasHeader($header) |
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| 93 | |||
| 94 | |||
| 95 | /** |
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| 96 | * Método que indica si una petición tiene cookies |
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| 97 | * @return boolean |
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| 98 | */ |
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| 99 | 1 | public function hasCookies() |
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| 103 | |||
| 104 | /** |
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| 105 | * Método que indica si una petición tiene cookies |
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| 106 | * @return boolean |
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| 107 | */ |
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| 108 | 1 | public function hasUpload() |
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| 112 | |||
| 113 | /** |
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| 114 | * Método que devuelve el TimeStamp de la petición |
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| 115 | * |
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| 116 | * @param boolean $formatted |
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| 117 | * |
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| 118 | * @return string |
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| 119 | */ |
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| 120 | public static function ts($formatted = false) |
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| 124 | |||
| 125 | 1 | public function getTs($formatted = false) |
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| 129 | |||
| 130 | /** |
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| 131 | * Método que devuelve el Método HTTP utilizado |
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| 132 | * @return string |
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| 133 | */ |
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| 134 | 4 | public function getMethod() |
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| 138 | |||
| 139 | /** |
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| 140 | * Método que devuelve una cabecera de la petición si existe |
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| 141 | * @param string $name |
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| 142 | * @param string $default |
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| 143 | * |
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| 144 | * @return string|null |
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| 145 | */ |
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| 146 | 3 | public static function header($name, $default = null) |
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| 150 | |||
| 151 | /** |
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| 152 | * @param string $name |
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| 153 | * @param string $default |
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| 154 | * @return string|null |
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| 155 | */ |
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| 156 | 3 | public function getHeader($name, $default = null) |
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| 168 | |||
| 169 | /** |
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| 170 | * Método que devuelve la url solicitada |
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| 171 | * @return string|null |
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| 172 | */ |
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| 173 | 1 | public static function requestUri() |
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| 177 | |||
| 178 | /** |
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| 179 | * @return string |
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| 180 | */ |
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| 181 | 7 | public function getRequestUri() |
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| 185 | |||
| 186 | /** |
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| 187 | * Método que devuelve el idioma de la petición |
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| 188 | * @return string |
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| 189 | */ |
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| 190 | public function getLanguage() |
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| 194 | |||
| 195 | /** |
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| 196 | * Método que determina si se ha solicitado un fichero |
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| 197 | * @return boolean |
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| 198 | */ |
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| 199 | 4 | public function isFile() |
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| 203 | |||
| 204 | /** |
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| 205 | * Get query params |
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| 206 | * |
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| 207 | * @param string $queryParams |
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| 208 | * |
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| 209 | * @return mixed |
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| 210 | */ |
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| 211 | public function getQuery($queryParams) |
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| 215 | |||
| 216 | /** |
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| 217 | * Get all query params |
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| 218 | * |
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| 219 | * @return mixed |
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| 220 | */ |
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| 221 | 1 | public function getQueryParams() |
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| 225 | |||
| 226 | /** |
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| 227 | * Método que devuelve un parámetro de la solicitud |
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| 228 | * @param string $param |
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| 229 | * |
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| 230 | * @return string|null |
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| 231 | */ |
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| 232 | public function get($param) |
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| 236 | |||
| 237 | /** |
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| 238 | * Método que devuelve todos los datos del Request |
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| 239 | * @return array |
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| 240 | */ |
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| 241 | 1 | public function getData() |
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| 245 | |||
| 246 | /** |
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| 247 | * @return array |
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| 248 | */ |
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| 249 | public function getRawData() { |
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| 252 | |||
| 253 | /** |
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| 254 | * Método que realiza una redirección a la url dada |
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| 255 | * @param string $url |
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| 256 | */ |
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| 257 | public function redirect($url = null) |
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| 266 | |||
| 267 | /** |
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| 268 | * Devuelve un parámetro de $_SERVER |
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| 269 | * @param string $param |
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| 270 | * @param $default |
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| 271 | * @return string|null |
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| 272 | */ |
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| 273 | 5 | public function getServer($param, $default = null) |
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| 277 | |||
| 278 | /** |
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| 279 | * Devuelve el nombre del servidor |
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| 280 | * @return string|null |
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| 281 | */ |
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| 282 | 2 | public function getServerName() |
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| 286 | |||
| 287 | /** |
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| 288 | * Devuelve el protocolo de la conexión |
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| 289 | * @return string |
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| 290 | */ |
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| 291 | 2 | public function getProtocol() |
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| 295 | |||
| 296 | /** |
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| 297 | * Devuelve la url completa de base |
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| 298 | * @param boolean $protocol |
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| 299 | * @return string |
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| 300 | */ |
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| 301 | 2 | public function getRootUrl($protocol = true) |
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| 311 | |||
| 312 | /** |
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| 313 | * Método que devuelve el valor de una cookie en caso de que exista |
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| 314 | * @param string $name |
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| 315 | * |
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| 316 | * @return string |
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| 317 | */ |
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| 318 | 1 | public function getCookie($name) |
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| 322 | |||
| 323 | /** |
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| 324 | * Método que devuelve los files subidos por POST |
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| 325 | * @param $name |
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| 326 | * |
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| 327 | * @return array |
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| 328 | */ |
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| 329 | public function getFile($name) |
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| 333 | |||
| 334 | /** |
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| 335 | * Método que devuelve si la petición es ajax o no |
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| 336 | * @return boolean |
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| 337 | */ |
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| 338 | 1 | public function isAjax() |
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| 343 | |||
| 344 | } |
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| 345 |
Instead of super-globals, we recommend to explicitly inject the dependencies of your class. This makes your code less dependent on global state and it becomes generally more testable: