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Bibliographic Details
Main Authors:	O'Brien, Lynne, Pulliam, William E.
Format:	Recurso educativo Open Access
Language:	en
Published:	1981
Subjects:	Academic Achievement Junior High School Students Secondary Education Skill Development Social Studies Success
Online Access:	https://eric.ed.gov/?id=EJ250346
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author	O'Brien, Lynne Pulliam, William E.
author_facet	O'Brien, Lynne Pulliam, William E. O'Brien, Lynne Pulliam, William E.
collection	Education Resources Information Center
contents	Success or Failure: Skills Can Make the Difference. O'Brien, Lynne Pulliam, William E. Academic Achievement Junior High School Students Secondary Education Skill Development Social Studies Success Discusses a study undertaken to determine why so many junior high school students with no obvious learning disabilities received failing grades in social studies. The study concluded that there were several possible sources of problems, including student lack of necessary skills to organize their ideas and write papers and lack of instruction on conducting library research. (DB)
format	Recurso educativo Open Access
id	eric_EJ250346
institution	ERIC Institute of Education Sciences
language	en
publishDate	1981
record_format	eric
spellingShingle	Success or Failure: Skills Can Make the Difference. O'Brien, Lynne Pulliam, William E. Academic Achievement Junior High School Students Secondary Education Skill Development Social Studies Success Success or Failure: Skills Can Make the Difference. O'Brien, Lynne Pulliam, William E. Academic Achievement Junior High School Students Secondary Education Skill Development Social Studies Success Discusses a study undertaken to determine why so many junior high school students with no obvious learning disabilities received failing grades in social studies. The study concluded that there were several possible sources of problems, including student lack of necessary skills to organize their ideas and write papers and lack of instruction on conducting library research. (DB)
title	Success or Failure: Skills Can Make the Difference.
topic	Academic Achievement Junior High School Students Secondary Education Skill Development Social Studies Success
url	https://eric.ed.gov/?id=EJ250346

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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