public function read()
{
$this->_open('r');
$lock = new Lock($this);
$lock->sh();
if ($this->ttl > 0) {
if (time() - filemtime($this->fileName) >= $this->ttl) {
$lock->unlock();
$this->_close();
unlink($this->fileName);
return false;
}
}
$content = false;
while (!feof($this->handle)) {
$content .= fread($this->handle, 4012);
}
$lock->unlock();
$this->_close();
return $content;
}
