¿Qué sabe usted acerca de... radicales libres?

Fuente: Redalyc

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Détails bibliographiques
Auteur principal:	José Gutiérrez Salinas
Format:	Artículo científico
Langue:	es
Publié:	Asociación Farmacéutica Mexicana, A.C. 2006
Sujets:	Química
Accès en ligne:	Acceder al recurso
Tags:	Ajouter un tag Pas de tags, Soyez le premier à ajouter un tag!

_version_	1876476684309364736
author	José Gutiérrez Salinas
author_facet	José Gutiérrez Salinas
contents	¿Qué sabe usted acerca de... radicales libres? José Gutiérrez Salinas Química 2006 otro 1870-0195 https://www.redalyc.org/articulo.oa?id=57937409 es http://www.redalyc.org/revista.oa?id=579 Revista Mexicana de Ciencias Farmacéuticas application/pdf Asociación Farmacéutica Mexicana, A.C. Revista Mexicana de Ciencias Farmacéuticas (México) Num.4 Vol.37
format	Artículo científico
id	redalyc_57937409
institution	Redalyc
language	es
publishDate	2006
publisher	Asociación Farmacéutica Mexicana, A.C.
spellingShingle	¿Qué sabe usted acerca de... radicales libres? José Gutiérrez Salinas Química ¿Qué sabe usted acerca de... radicales libres? José Gutiérrez Salinas Química 2006 otro 1870-0195 https://www.redalyc.org/articulo.oa?id=57937409 es http://www.redalyc.org/revista.oa?id=579 Revista Mexicana de Ciencias Farmacéuticas application/pdf Asociación Farmacéutica Mexicana, A.C. Revista Mexicana de Ciencias Farmacéuticas (México) Num.4 Vol.37
title	¿Qué sabe usted acerca de... radicales libres?
topic	Química
url	https://www.redalyc.org/articulo.oa?id=57937409

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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Registered Handlers

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