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Bibliographic Details
Main Author:	David Parra Guevara
Format:	Artículo científico
Language:	es
Published:	Universidad Nacional Autónoma de México 2000
Subjects:	Biología
Online Access:	https://www.redalyc.org/articulo.oa?id=56513103
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author	David Parra Guevara
author_facet	David Parra Guevara
contents	Optimización de emisiones industriales para la protección de zonas ecológicas David Parra Guevara Yuri N. Skiba Biología 2000 artículo científico 0187-6236 https://www.redalyc.org/articulo.oa?id=56513103 es http://www.redalyc.org/revista.oa?id=565 Atmósfera application/pdf Universidad Nacional Autónoma de México Atmósfera (México) Num.1 Vol.13
format	Artículo científico
id	redalyc_56513103
language	es
publishDate	2000
publisher	Universidad Nacional Autónoma de México
spellingShingle	Optimización de emisiones industriales para la protección de zonas ecológicas David Parra Guevara Biología Optimización de emisiones industriales para la protección de zonas ecológicas David Parra Guevara Yuri N. Skiba Biología 2000 artículo científico 0187-6236 https://www.redalyc.org/articulo.oa?id=56513103 es http://www.redalyc.org/revista.oa?id=565 Atmósfera application/pdf Universidad Nacional Autónoma de México Atmósfera (México) Num.1 Vol.13
title	Optimización de emisiones industriales para la protección de zonas ecológicas
topic	Biología
url	https://www.redalyc.org/articulo.oa?id=56513103

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	1784668894

Environment Variables empty

Registered Handlers

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