/**
* Checks if the files are valid
*
* @param string|array $files (Optional) Files to check
* @return boolean True if all checks are valid
*/
public function isValid($files = null)
{
// Workaround for WebServer not conforming HTTP and omitting CONTENT_LENGTH
$content = 0;
if (isset($_SERVER['CONTENT_LENGTH'])) {
$content = $_SERVER['CONTENT_LENGTH'];
} else {
if (!empty($_POST)) {
$content = serialize($_POST);
}
}
// Workaround for a PHP error returning empty $_FILES when form data exceeds php settings
if (empty($this->_files) && $content > 0) {
if (is_array($files)) {
$files = current($files);
}
$temp = array($files => array('name' => $files, 'error' => 1));
$validator = $this->_validators['Zend\\Validator\\File\\Upload'];
$validator->setFiles($temp)->isValid($files, null);
$this->_messages += $validator->getMessages();
return false;
}
return parent::isValid($files);
}