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Bibliographic Details
Main Author:	J. Daniel Tejero DÍEZ
Format:	Artículo científico
Language:	es
Published:	Universidad Nacional Autónoma de México 2004
Subjects:	Biología México Taxonomía Polypodium Centroamérica Polypodiaceae
Online Access:	https://www.redalyc.org/articulo.oa?id=40075102
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Notas taxonómicas y de distribución en Polypodium plesiosorum y P. rhodopleuron (Polypodiaceae: Pteridophyta) J. Daniel Tejero DÍEZ Leticia Pacheco Biología México Taxonomía Polypodium Centroamérica Polypodiaceae Se discuten los caracteres diacríticos que diferencian a Polypodiumplesiosorum de P. rhodopleuron; ambas especies crecen en México y Centroamérica.Se lectotipifican los nombres de estas especies y algunos de sus sinónimos. Sedescriben dos nuevas variedades de Polypodium plesiosorum. Con base en la revisiónde ejemplares de herbario se actualiza la distribución hasta ahora conocida deambos taxa. 2004 artículo científico 0185-254X https://www.redalyc.org/articulo.oa?id=40075102 es http://www.redalyc.org/revista.oa?id=400 Anales del Instituto de Biología. Serie Botánica application/pdf Universidad Nacional Autónoma de México Anales del Instituto de Biología. Serie Botánica (México) Num.1 Vol.75

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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