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Bibliographic Details
Main Author:	Verónica Araiza Díaz
Format:	Artículo científico
Language:	es
Published:	Universidad de Colima 2020
Subjects:	Estudios Culturales Cultura Información Mediaciones Comunicación Estudios culturales
Online Access:	https://www.redalyc.org/articulo.oa?id=31662848003 https://www.redalyc.org/journal/316/31662848003/ https://www.redalyc.org/journal/316/31662848003/html/ https://www.redalyc.org/journal/316/31662848003/31662848003.epub https://www.redalyc.org/journal/316/31662848003/movil
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Cultura: un asunto de información y comunicación Verónica Araiza Díaz Alejandra Araiza Díaz Uriel Medécigo Daniel Estudios Culturales Cultura Información Mediaciones Comunicación Estudios culturales La cultura es un concepto amplio que atraviesa distintas ciencias sociales, sobre todo después del giro cultural de mediados del siglo XX, antes de eso era principalmente objeto de estudio de la antropología. Este texto se centra en diversas corrientes teóricas más o menos contemporáneas que versan sobre la cultura y pone especial énfasis en el debate sobre la información/comunicación. La idea es escapar de diferentes oposiciones binarias y buscar conceptos complejos y dialécticos que nos ayuden a establecer debates verdaderamente interdisciplinares. 2020 artículo científico 3061-7537 https://www.redalyc.org/articulo.oa?id=31662848003 https://www.redalyc.org/journal/316/31662848003/ https://www.redalyc.org/journal/316/31662848003/html/ https://www.redalyc.org/journal/316/31662848003/31662848003.epub https://www.redalyc.org/journal/316/31662848003/movil es http://www.redalyc.org/revista.oa?id=316 Estudios sobre las Culturas Contemporáneas application/pdf Universidad de Colima Estudios sobre las Culturas Contemporáneas (México) Num.51 Vol.XXVI

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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