IssueForm::readInputData PHP Method

    function readInputData()
    {
        $this->readUserVars(array('title', 'volume', 'number', 'year', 'description', 'accessStatus', 'enableOpenAccessDate', 'showVolume', 'showNumber', 'showYear', 'showTitle', 'temporaryFileId', 'coverImageAltText', 'datePublished', 'openAccessDate'));
        $this->addCheck(new FormValidatorCustom($this, 'issueForm', 'required', 'editor.issues.issueIdentificationRequired', create_function('$showVolume, $showNumber, $showYear, $showTitle', 'return $showVolume || $showNumber || $showYear || $showTitle ? true : false;'), array($this->getData('showNumber'), $this->getData('showYear'), $this->getData('showTitle'))));
    }

 /**
  * Edit the current issue form
  */
 function editIssue($args, $request)
 {
     $issueId = (int) array_shift($args);
     $this->validate($issueId, true);
     $issue =& $this->issue;
     $this->setupTemplate(EDITOR_SECTION_ISSUES);
     $templateMgr =& TemplateManager::getManager();
     $templateMgr->assign('issueId', $issueId);
     $journal =& $request->getJournal();
     $journalId = $journal->getId();
     import('classes.issue.IssueAction');
     $templateMgr->assign('issueOptions', IssueAction::getIssueOptions());
     import('classes.issue.form.IssueForm');
     if (checkPhpVersion('5.0.0')) {
         // WARNING: This form needs $this in constructor
         $issueForm = new IssueForm('editor/issues/issueData.tpl');
     } else {
         $issueForm =& new IssueForm('editor/issues/issueData.tpl');
     }
     $issueForm->readInputData();
     if ($issueForm->validate($issue)) {
         $issueForm->execute($issueId);
         $issueForm->initData($issueId);
     }
     $templateMgr->assign_by_ref('issue', $issue);
     $templateMgr->assign('unpublished', !$issue->getPublished());
     $issueForm->display();
 }