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Bibliographic Details
Main Author:	Schefter, Joseph A.
Format:	Recurso educativo Open Access
Language:	en
Published:	1974
Subjects:	Bibliographies Book Reviews Educational Media Information Sources Library Material Selection Media Selection
Online Access:	https://eric.ed.gov/?id=ED094696
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_version_	1867181329626431489
author	Schefter, Joseph A.
author_facet	Schefter, Joseph A. Schefter, Joseph A.
collection	Education Resources Information Center
contents	Guides to Materials Identification and Selection. Schefter, Joseph A. Bibliographies Book Reviews Educational Media Information Sources Library Material Selection Media Selection Compiled at the Jim Dan Hill Library of the Univeristy of Wisconsin-Superior, this unannotated bibliography of information and review sources includes sections on: general guides to books and nonbook materials; review indexes; comprehensive bibliographies; films and tapes; maps, prints, charts, and microforms; slides; filmstrips, and transparencies; games and simulations, programed and computer-assisted instruction; book selection guides and selection tools; curricula reviews and bibliographies; and periodicals. This basic list of selection tools includes materials which cover levels from elementary to adult and college, is comprehensive rather than subject oriented, and is organized by media type. (LS)
format	Recurso educativo Open Access
id	eric_ED094696
institution	ERIC Institute of Education Sciences
language	en
publishDate	1974
record_format	eric
spellingShingle	Guides to Materials Identification and Selection. Schefter, Joseph A. Bibliographies Book Reviews Educational Media Information Sources Library Material Selection Media Selection Guides to Materials Identification and Selection. Schefter, Joseph A. Bibliographies Book Reviews Educational Media Information Sources Library Material Selection Media Selection Compiled at the Jim Dan Hill Library of the Univeristy of Wisconsin-Superior, this unannotated bibliography of information and review sources includes sections on: general guides to books and nonbook materials; review indexes; comprehensive bibliographies; films and tapes; maps, prints, charts, and microforms; slides; filmstrips, and transparencies; games and simulations, programed and computer-assisted instruction; book selection guides and selection tools; curricula reviews and bibliographies; and periodicals. This basic list of selection tools includes materials which cover levels from elementary to adult and college, is comprehensive rather than subject oriented, and is organized by media type. (LS)
title	Guides to Materials Identification and Selection.
topic	Bibliographies Book Reviews Educational Media Information Sources Library Material Selection Media Selection
url	https://eric.ed.gov/?id=ED094696

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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Registered Handlers

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