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Bibliographic Details
Main Author:	Michèlle Bincaz
Format:	Artículo científico
Language:	es
Published:	Universidad Nacional Autónoma de México 2002
Subjects:	Ciencias de la Información Europa Internet América Latina revistas científicas Universidad de Tolosa
Online Access:	https://www.redalyc.org/articulo.oa?id=28550107
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Revistas latinoamericanistas en Europa: difusión de sumarios en Internet Michèlle Bincaz Ciencias de la Información Europa Internet América Latina revistas científicas Universidad de Tolosa Se presentan las iniciativas documentales desarrolladas en Europa para dar aconocer y ampliar la visibilidad de las revistas especializadas en América Latinapublicadas en ese continente, así como de las revistas latinoamericanistasrecibidas en las bibliotecas europeas a través de la presentación de sumariosen Internet. Estos recursos documentales, en formato electrónico, son generadospor diversas instituciones que forman parte de la Red Europea de Informacióny Documentación sobre América Latina, REDIAL. 2002 artículo científico 0187-750X https://www.redalyc.org/articulo.oa?id=28550107 es http://www.redalyc.org/revista.oa?id=285 Biblioteca Universitaria application/pdf Universidad Nacional Autónoma de México Biblioteca Universitaria (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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