gistfile1.php

private function _getImageNameAndReceive($name, $subPath = null)
{
	$ret_name			= '';
	/*@var $imageElement Zend_Form_Element_File*/
	$imageElement				= $this->$name;
	if( !empty($imageElement) )
	{
		$image_name			= $imageElement->getFileName(null, false);
		if ( !empty($image_name) )
		{
        $name_length = strlen($image_name);
			if($name_length  > 40 )
			{
				$image_name = substr($image_name, 0, 40) . substr($image_name, $name_length - 4, $name_length);
			}
				
			$ret_name	= time() . '_'. mt_rand(0, 9999).'_'. preg_replace('/[^A-Za-z0-9-_.]/', '', $image_name);
			$target		= UPLOAD_PATH;
			$thumnail	= UPLOAD_PATH.'/'.FOLDER_THUMBNAIL.'/';
			if( empty($subPath) )
			{
				$target		.= '/';					
			}
			else
			{
				$target		.= '/'.$subPath.'/';
			}
			$target		.= $ret_name;
			$thumnail	.= $ret_name;
			$imageElement->addFilter('Rename',array(
				'target'    => $target
			));
			if( $imageElement->receive() )
			{
				if( $name == 'image_banner')
				{
					$this->_cropImage($target, $thumnail);
				}
			}
		}
	}
	return $ret_name;
}