protected function setValue($key, $value, $duration)
{
$this->gc();
$cacheFile = $this->getCacheFile($key);
if ($this->directoryLevel > 0) {
@FileHelper::createDirectory(dirname($cacheFile), $this->dirMode, true);
}
if (@file_put_contents($cacheFile, $value, LOCK_EX) !== false) {
if ($this->fileMode !== null) {
@chmod($cacheFile, $this->fileMode);
}
if ($duration <= 0) {
$duration = 31536000;
// 1 year
}
return @touch($cacheFile, $duration + time());
} else {
$error = error_get_last();
return false;
}
}
/**
* init runtime environment
*/
protected function initEnvironment()
{
if (!is_writable($this->runtimePath)) {
throw new Exception("{$this->runtimePath} is not writable");
}
if (!is_dir($this->runtimePath)) {
FileHelper::createDirectory($this->runtimePath);
}
}
