/**
* Check if some opcode cache is loaded
*
* @return Status\StatusInterface
*/
protected function checkSomePhpOpcodeCacheIsLoaded()
{
// Link to our wiki page, so we can update opcode cache issue information independent of TYPO3 CMS releases.
$wikiLink = 'For more information take a look in our wiki ' . TYPO3_URL_WIKI_OPCODECACHE . '.';
$opcodeCaches = \TYPO3\CMS\Core\Utility\OpcodeCacheUtility::getAllActive();
if (count($opcodeCaches) === 0) {
// Set status to notice. It needs to be notice so email won't be triggered.
$status = new Status\NoticeStatus();
$status->setTitle('No PHP opcode cache loaded');
$status->setMessage('PHP opcode caches hold a compiled version of executed PHP scripts in' . ' memory and do not require to recompile a script each time it is accessed.' . ' This can be a massive performance improvement and can reduce the load on a' . ' server in general. A parse time reduction by factor three for fully cached' . ' pages can be achieved easily if using an opcode cache.' . LF . $wikiLink);
} else {
$status = new Status\OkStatus();
$message = '';
foreach ($opcodeCaches as $opcodeCache => $properties) {
$message .= 'Name: ' . $opcodeCache . ' Version: ' . $properties['version'];
$message .= LF;
if ($properties['error']) {
// Set status to error if not already set
if ($status->getSeverity() !== 'error') {
$status = new Status\ErrorStatus();
}
$message .= ' This opcode cache is marked as malfunctioning by the TYPO3 CMS Team.';
} elseif ($properties['canInvalidate']) {
$message .= ' This opcode cache should work correctly and has good performance.';
} else {
// Set status to notice if not already error set. It needs to be notice so email won't be triggered.
if ($status->getSeverity() !== 'error' || $status->getSeverity() !== 'warning') {
$status = new Status\NoticeStatus();
}
$message .= ' This opcode cache may work correctly but has medium performance.';
}
$message .= LF;
}
$message .= $wikiLink;
// Set title of status depending on serverity
switch ($status->getSeverity()) {
case 'error':
$status->setTitle('A possibly malfunctioning PHP opcode cache is loaded');
break;
case 'warning':
$status->setTitle('A PHP opcode cache is loaded which may cause problems');
break;
case 'ok':
default:
$status->setTitle('A PHP opcode cache is loaded');
break;
}
$status->setMessage($message);
}
return $status;
}
