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Bibliographic Details
Main Author:	Shaver, Johnny M.
Format:	Recurso educativo Open Access
Language:	en
Published:	1974
Subjects:	Audio Equipment Communications Learning Resources Centers Library Equipment Library Facilities Projection Equipment School Libraries Video Equipment
Online Access:	https://eric.ed.gov/?id=EJ099863
Tags:	Add Tag No Tags, Be the first to tag this record!

_version_	1867181089156497409
author	Shaver, Johnny M.
author_facet	Shaver, Johnny M. Shaver, Johnny M.
collection	Education Resources Information Center
contents	Selecting Initial Media Equipment for New Facilities Shaver, Johnny M. Audio Equipment Communications Learning Resources Centers Library Equipment Library Facilities Projection Equipment School Libraries Video Equipment Describes the kinds of audiovisual equipment presently available which should be considered as initial investment for a new media center. (LS)
format	Recurso educativo Open Access
id	eric_EJ099863
institution	ERIC Institute of Education Sciences
language	en
publishDate	1974
record_format	eric
spellingShingle	Selecting Initial Media Equipment for New Facilities Shaver, Johnny M. Audio Equipment Communications Learning Resources Centers Library Equipment Library Facilities Projection Equipment School Libraries Video Equipment Selecting Initial Media Equipment for New Facilities Shaver, Johnny M. Audio Equipment Communications Learning Resources Centers Library Equipment Library Facilities Projection Equipment School Libraries Video Equipment Describes the kinds of audiovisual equipment presently available which should be considered as initial investment for a new media center. (LS)
title	Selecting Initial Media Equipment for New Facilities
topic	Audio Equipment Communications Learning Resources Centers Library Equipment Library Facilities Projection Equipment School Libraries Video Equipment
url	https://eric.ed.gov/?id=EJ099863

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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language	"en"

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Registered Handlers

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Environment & details:

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language	"en"

Session

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VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
HTTPS	"on"
SSL_TLS_SNI	"info.umar.mx"
HTTP_ACCEPT	"/"
HTTP_USER_AGENT	"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
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SERVER_PORT	"443"
REMOTE_ADDR	"216.73.217.169"
DOCUMENT_ROOT	"/usr/local/vufind/public"
REQUEST_SCHEME	"https"
CONTEXT_PREFIX	""
CONTEXT_DOCUMENT_ROOT	"/usr/local/vufind/public"
SERVER_ADMIN	"admin@localhost"
SCRIPT_FILENAME	"/usr/local/vufind/public/index.php"
REMOTE_PORT	"61713"
REDIRECT_URL	"/Record/eric_EJ099863/Details"
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	""
REQUEST_URI	"/Record/eric_EJ099863/Details"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1784809505.749
REQUEST_TIME	1784809505

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler

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