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1. Verfasser:	Raquel Vélez
Format:	Artículo científico
Sprache:	es
Veröffentlicht:	Universidad de Murcia 2005
Schlagworte:	Educación significado conocimiento Objetos de aprendizaje
Online-Zugang:	https://www.redalyc.org/articulo.oa?id=54709803
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Objetos de aprendizaje y significado Raquel Vélez Soraya Sánchez Pilar Lacasa Educación significado conocimiento Objetos de aprendizaje Nuestro único objetivo con estas páginas ha sido provocar una reflexión crítica ante eltérmino "objetos de aprendizaje", tal como aparece entre algunos autores que proponen unmodelo "instruccional" en educación. Nos parece interesante recordar que los sistemassimbólicos que utilizan los individuos para atribuir significados no pueden prescindir delcontexto ni del proceso que los ha generado y que, en ningún caso, se reducen a una reglacomputacional. 2005 artículo científico 1578-7680 https://www.redalyc.org/articulo.oa?id=54709803 es http://www.redalyc.org/revista.oa?id=547 RED. Revista de Educación a Distancia application/pdf Universidad de Murcia RED. Revista de Educación a Distancia (España) Num.V

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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REQUEST_TIME	1784417205

Environment Variables empty

Registered Handlers

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