Matéria

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Bibliographic Details
Format:	Revista científica
Language:	PT
Published:	Laboratório de Hidrogênio, Coppe - Universidade Federal do Rio de Janeiro, em cooperação com a Associação Brasileira do Hidrogênio, ABH2 2017
Subjects:	metallurgy materials engineering chemistry condensed matter physics Materials of engineering and construction. Mechanics of materials TA401-492
Online Access:	Acceder al recurso
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Results in Materials
Published: (2020)

Нові матеріали і технології в металургії та машинобудуванні
Published: (2025)

Materiali in Tehnologije
Published: (2017)

Functional Composite Materials
Published: (2020)

مواد نوین
Published: (2022)

Zhongguo Fenti Jishu
Published: (2024)

Oxford Open Materials Science
Published: (2021)

Interdisciplinary Materials
Published: (2022)

Communications Materials
Published: (2020)

Advances in Materials Science and Engineering
Published: (2009)

European Journal of Materials Science and Engineering
Published: (2018)

ACS Materials Au
Published: (2021)

MetalMat
Published: (2025)

Építőanyag: Journal of Silicate Based and Composite Materials
Published: (2015)

Tecnologia em Metalurgia, Materiais e Mineração
Published: (2023)

PeerJ Materials Science
Published: (2020)

Journal of Materials Science: Materials in Engineering
Published: (2025)

Journal of Science: Advanced Materials and Devices
Published: (2017)

Material Design & Processing Communications
Published: (2023)

International Journal for Computational Civil and Structural Engineering
Published: (2018)

Low-Carbon Materials and Green Construction
Published: (2024)

European Journal of Materials
Published: (2022)

Applied Rheology
Published: (2019)

Materials Research
Published: (2004)

Cailiao gongcheng
Published: (2022)

Advanced Composites Letters
Published: (2020)

Nanoscale Research Letters
Published: (2007)

Journal of Sustainable Construction Materials and Technologies
Published: (2016)

Jin'gangshi yu moliao moju gongcheng
Published: (2023)

International Journal of Engineering Materials and Manufacture
Published: (2017)

Materials Research Letters
Published: (2017)

Materials Open
Published: (2024)

Composites and Advanced Materials
Published: (2021)

Jixie qiangdu
Published: (2023)

Nano Select
Published: (2021)

Discover Nano
Published: (2023)

Materials Theory
Published: (2018)

نشریه مهندسی متالورژی و مواد
Published: (2022)

International Journal of Mechanical and Materials Engineering
Published: (2016)

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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