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Autore principale:	Ramón Ignacio Esperón Hernández
Natura:	Artículo científico
Lingua:	es
Pubblicazione:	Universidad de Guadalajara 2005
Soggetti:	Educación software libre educación en línea plataforma educativa
Accesso online:	https://www.redalyc.org/articulo.oa?id=68850107
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Educación en línea en la UADY mediante un software libre Ramón Ignacio Esperón Hernández Martha Ley Fuentes Educación software libre educación en línea plataforma educativa La educación a distancia en los últimos seis años ha evolucionadoconsiderablemente en México y en el mundo, básicamente en línea. La implementación de un sistema educativo en línea es un reto a vencer en gran parte de las universidades que aún no cuentan con éste, debido a la poca o mala experiencia en el pasado, por lo que no asignan presupuesto para su creación. Se han propuesto algunos modelos para la incorporación de estas tecnologías;sin embargo, las particularidades de cada institucióneducativa no se contemplan. La UADY tuvo que buscar su camino, por lo que se vio en la necesidad de implementar un sistema de educación en línea a partir de un software libre 2005 artículo científico 1665-6180 https://www.redalyc.org/articulo.oa?id=68850107 es http://www.redalyc.org/revista.oa?id=688 Apertura application/pdf Universidad de Guadalajara Apertura (México) Num.1 Vol.5

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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Environment & details:

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Documenti analoghi

Environment & details:

Environment & details: