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Bibliographic Details
Main Authors:	BROWN, DONALD J., BROWN, JAMES W.
Format:	Recurso educativo Open Access
Language:	en
Subjects:	Adults Audiovisual Instruction Educational Facilities Educational Media Federal Programs Institutes (Training Programs) Library Instruction Library Personnel Participant Characteristics Summer Programs
Online Access:	https://eric.ed.gov/?id=ED014892
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EVALUATIONS OF SUMMER 1966 NDEA INSTITUTES FOR EDUCATIONAL MEDIA SPECIALISTS AND SCHOOL LIBRARY PERSONNEL. BROWN, DONALD J. BROWN, JAMES W. Adults Audiovisual Instruction Educational Facilities Educational Media Federal Programs Institutes (Training Programs) Library Instruction Library Personnel Participant Characteristics Summer Programs THE PURPOSE OF THIS EVALUATION WAS TO GATHER DATA FROM 35 EDUCATIONAL MEDIA SPECIALIST INSTITUTES ON (1) PERSONAL AND PROFESSIONAL CHARACTERISTICS OF INSTITUTE PARTICIPANTS, (2) CHARACTERISTICS OF THE INSTITUTES THEMSELVES, (3) THE EFFECTIVENESS OF INSTITUTE PROGRAMS, (4) THE EFFECTIVENESS OF INSTITUTE EXPERIENCES ON PARTICIPANT INTERESTS AND SKILLS, AND (5) ON-THE-JOB INFLUENCES OF INSTITUTE EXPERIENCES. DATA WERE GATHERED BY PERSONAL INFORMATION REPORT FORMS, ON-SITE VISITORS' REPORTS, AND ORIGINAL PROPOSALS AND FINAL REPORTS OF INSTITUTE DIRECTORS. THE INSTITUTES ARE DESCRIBED AS BASIC, ADVANCED, TELEVISION, SPECIAL, OR LIBRARIANSHIP. REPORTS ARE GIVEN OF DATA FINDINGS AT EACH TYPE OF INSTITUTE. (MS)

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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