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Bibliographic Details
Main Author:	Luzimar Pereira da Costa
Format:	Artículo científico
Language:	pt
Published:	Universidade Federal de Uberlândia 2014
Subjects:	Geografía Social chave Palavras mobilidade urbana reprodução do espaço acessibilidade urbana
Online Access:	https://www.redalyc.org/articulo.oa?id=321331809004
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ESPAÇO, INIQUIDADE E TRANSPORTE PÚBLICO: AVALIAÇÃO DA ACESSIBILIDADE URBANA NA CIDADE DE NATAL/RN POR MEIO DE INDICADORES DE SUSTENTABILIDADE Luzimar Pereira da Costa Ione Rodrigues Diniz Morais Geografía Social chave Palavras mobilidade urbana reprodução do espaço acessibilidade urbana Na atualidade, a mobilidade urbana configura um dos principais desafios das grandes e médias cidades bra - sileiras, haja vista os sinais de insustentabilidade que apresenta em relação a muitos aspectos que a envolve. Nas referidas cidades, onde a concentração de riqueza, terra e poder contrastam com a distribuição desigual da renda, a reprodução de iniquidades e os problemas cotidianos resultantes da acelerada urbanização afe - tam a mobilidade e acessibilidade urbanas. No tocante à acessibilidade urbana, a renda e a valorização de determinados espaços, aliadas a maiores investimentos em infraestrutura, fazem com que as áreas centrais das cidades apresentem melhores condições que as áreas periféricas. Diante do exposto, este trabalho tem como objetivo analisar as condições de acessibilidade urbana na cidade de Natal/RN e verificar em que medida o acesso a serviços e equipamentos urbanos é facilitado ou dificultado em virtude da localização da população e do seu poder aquisitivo. Adotou-se, como procedimentos metodológicos, a pesquisa bibliográ - fica e documental, bem como aferição e análise de alguns dos indicadores de sustentabilidade relacionados à acessibilidade urbana, que compõem o Índice de Mobilidade Urb ana Sustentável (IMUS). 2014 artículo científico 0103-1570 https://www.redalyc.org/articulo.oa?id=321331809004 pt http://www.redalyc.org/revista.oa?id=3213 Sociedade & Natureza application/pdf Universidade Federal de Uberlândia Sociedade & Natureza (Brasil) Num.2 Vol.26

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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