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function getGzFiles($dir){	$array = array();		if( is_dir($dir) and is_readable($dir) and $files = glob($dir . '/*.gz') ) 	{		foreach ( $files as $filename )		{			echo "$filename\n";    	if ( is_file($filename) )			{				$array[] = $filename;			}    }    		return $array;	}	}