/**
* Constructs the Zend_Io_FileReader class with given path to the file. By
* default the file is opened in read (rb) mode.
*
* @param string $filename The path to the file.
* @throws Zend_Io_Exception if the file cannot be read
*/
public function __construct($filename, $mode = null)
{
if ($mode === null) {
$mode = 'rb';
}
if (!file_exists($filename) || !is_readable($filename) || ($fd = fopen($filename, $mode)) === false) {
throw new Zend_Io_Exception('Unable to open file for reading: ' . $filename);
}
parent::__construct($fd);
}
