Complex classes like Security 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 Security, and based on these observations, apply Extract Interface, too.
1 | <?php |
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13 | class Security |
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14 | { |
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15 | // sha1('user') |
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16 | const USER_ID_TOKEN = '12dea96fec20593566ab75692c9949596833adc9'; |
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17 | // sha1('admin') |
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18 | const MANAGER_ID_TOKEN = 'd033e22ae348aeb5660fc2140aec35850c4da997'; |
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19 | // sha1('superadmin') |
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20 | const ADMIN_ID_TOKEN = '889a3a791b3875cfae413574b53da4bb8a90d53e'; |
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21 | // sha1('FLASHES') |
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22 | const FLASH_MESSAGE_TOKEN = '4680c68435db1bfbf17c3fcc4f7b39d2c6122504'; |
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23 | const LOGGED_USER_TOKEN = '__U_T_L__'; |
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24 | |||
25 | use SecureTrait; |
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26 | use SingletonTrait; |
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27 | /** |
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28 | * @var array $user |
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29 | */ |
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30 | private $user = null; |
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31 | |||
32 | /** |
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33 | * @var array $admin |
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34 | */ |
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35 | private $admin = null; |
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36 | |||
37 | /** |
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38 | * @var bool $authorized |
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39 | */ |
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40 | private $authorized = FALSE; |
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41 | |||
42 | /** |
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43 | * @var bool $checked |
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44 | */ |
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45 | private $checked = false; |
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46 | |||
47 | /** |
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48 | * @var array $session |
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49 | */ |
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50 | protected $session; |
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51 | |||
52 | /** |
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53 | * Constructor por defecto |
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54 | */ |
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55 | 2 | public function init() |
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70 | |||
71 | /** |
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72 | * Initializator for SESSION |
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73 | */ |
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74 | 2 | private function initSession() { |
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83 | |||
84 | /** |
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85 | * Método estático que devuelve los perfiles de la plataforma |
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86 | * @return array |
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87 | */ |
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88 | 2 | public static function getProfiles() |
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96 | |||
97 | /** |
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98 | * Method that returns all the available profiles |
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99 | * @return array |
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100 | */ |
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101 | 1 | public function getAdminProfiles() |
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105 | |||
106 | /** |
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107 | * Método estático que devuelve los perfiles disponibles |
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108 | * @return array |
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109 | */ |
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110 | 2 | public static function getCleanProfiles() |
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118 | |||
119 | /** |
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120 | * Método estático que devuelve los perfiles disponibles |
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121 | * @return array |
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122 | */ |
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123 | 1 | public function getAdminCleanProfiles() |
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127 | |||
128 | /** |
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129 | * Método que guarda los administradores |
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130 | * |
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131 | * @param array $user |
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132 | * |
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133 | * @return bool |
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134 | */ |
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135 | 1 | public static function save($user) |
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150 | |||
151 | /** |
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152 | * Method to save a new admin user |
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153 | * @param array $user |
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154 | * @return bool |
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155 | */ |
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156 | 1 | public function saveUser($user) |
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164 | |||
165 | /** |
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166 | * Servicio que actualiza los datos del usuario |
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167 | * |
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168 | * @param $user |
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169 | */ |
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170 | 1 | public function updateUser($user) |
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174 | |||
175 | /** |
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176 | * @param $alias |
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177 | * @param $profile |
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178 | */ |
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179 | 1 | public function updateAdmin($alias, $profile) { |
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186 | |||
187 | /** |
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188 | * Método que devuelve los administradores de una plataforma |
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189 | * @return array|null |
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190 | */ |
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191 | 4 | public function getAdmins() |
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195 | |||
196 | /** |
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197 | * Método que devuelve si un usuario tiene privilegios para acceder a la zona de administración |
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198 | * |
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199 | * @param null $user |
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200 | * @param null $pass |
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201 | * @param boolean $force |
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202 | * |
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203 | * @return bool |
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204 | * @throws \HttpException |
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205 | */ |
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206 | 3 | public function checkAdmin($user = NULL, $pass = NULL, $force = false) |
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244 | |||
245 | /** |
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246 | * Método que obtiene el usuario y contraseña de la cookie de sesión de administración |
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247 | * @return array |
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248 | */ |
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249 | 1 | protected function getAdminFromCookie() |
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259 | |||
260 | /** |
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261 | * Método privado para la generación del hash de la cookie de administración |
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262 | * @return string |
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263 | */ |
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264 | 1 | public function getHash() |
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268 | |||
269 | /** |
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270 | * Método que devuelve el usuario logado |
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271 | * @return array |
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272 | */ |
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273 | 2 | public function getUser() |
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277 | |||
278 | /** |
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279 | * Método que devuelve el usuario administrador logado |
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280 | * @return array |
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281 | */ |
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282 | 2 | public function getAdmin() |
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286 | |||
287 | /** |
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288 | * Método que calcula si se está logado o para acceder a administración |
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289 | * @return bool |
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290 | */ |
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291 | 3 | public function canAccessRestrictedAdmin() |
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295 | |||
296 | /** |
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297 | * Servicio que devuelve una pantalla de error porque se necesita estar authenticado |
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298 | * |
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299 | * @param string|null $route |
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300 | * |
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301 | * @return string|null |
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302 | */ |
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303 | public function notAuthorized($route) |
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309 | |||
310 | /** |
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311 | * Servicio que chequea si un usuario es super administrador o no |
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312 | * @return bool |
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313 | */ |
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314 | 1 | public function isSuperAdmin() |
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325 | |||
326 | /** |
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327 | * Servicio que devuelve un dato de sesión |
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328 | * |
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329 | * @param string $key |
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330 | * |
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331 | * @return mixed |
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332 | */ |
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333 | 6 | public function getSessionKey($key) |
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342 | |||
343 | /** |
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344 | * Servicio que setea una variable de sesión |
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345 | * |
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346 | * @param string $key |
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347 | * @param mixed $data |
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348 | * |
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349 | * @return Security |
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350 | */ |
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351 | 5 | public function setSessionKey($key, $data = NULL) |
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357 | |||
358 | /** |
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359 | * Servicio que devuelve los mensajes flash de sesiones |
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360 | * @return mixed |
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361 | */ |
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362 | 2 | public function getFlashes() |
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368 | |||
369 | /** |
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370 | * Servicio que limpia los mensajes flash |
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371 | * @return $this |
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372 | */ |
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373 | 3 | public function clearFlashes() |
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379 | |||
380 | /** |
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381 | * Servicio que inserta un flash en sesión |
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382 | * |
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383 | * @param string $key |
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384 | * @param mixed $data |
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385 | */ |
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386 | 1 | public function setFlash($key, $data = NULL) |
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395 | |||
396 | /** |
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397 | * Servicio que devuelve un flash de sesión |
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398 | * |
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399 | * @param string $key |
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400 | * |
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401 | * @return mixed |
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402 | */ |
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403 | 2 | public function getFlash($key) |
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409 | |||
410 | /** |
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411 | * Servicio que actualiza |
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412 | * |
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413 | * @param boolean $closeSession |
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414 | * |
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415 | * @return Security |
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416 | */ |
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417 | 2 | public function updateSession($closeSession = FALSE) |
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431 | |||
432 | /** |
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433 | * Servicio que limpia la sesión |
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434 | */ |
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435 | 1 | public function closeSession() |
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442 | |||
443 | } |
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444 |
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: