Educación superior de calidad para el siglo XXI

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Bibliographic Details
Main Author:	Alexander Vega Miranda
Format:	Artículo científico
Published:	Universidad de Costa Rica 2001
Subjects:	Educación
Online Access:	Acceder al recurso
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_version_	1876479514997948416
author	Alexander Vega Miranda
author_facet	Alexander Vega Miranda
contents	Educación superior de calidad para el siglo XXI Alexander Vega Miranda Educación 2001 artículo científico 0379-7082 https://www.redalyc.org/articulo.oa?id=44002502 http://www.redalyc.org/revista.oa?id=440 Revista Educación application/pdf Universidad de Costa Rica Revista Educación (Costa Rica) Num.1 Vol.25
format	Artículo científico
id	redalyc_44002502
institution	Redalyc
language
publishDate	2001
publisher	Universidad de Costa Rica
spellingShingle	Educación superior de calidad para el siglo XXI Alexander Vega Miranda Educación Educación superior de calidad para el siglo XXI Alexander Vega Miranda Educación 2001 artículo científico 0379-7082 https://www.redalyc.org/articulo.oa?id=44002502 http://www.redalyc.org/revista.oa?id=440 Revista Educación application/pdf Universidad de Costa Rica Revista Educación (Costa Rica) Num.1 Vol.25
title	Educación superior de calidad para el siglo XXI
topic	Educación
url	https://www.redalyc.org/articulo.oa?id=44002502

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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Registered Handlers

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