Hi, In Perl, hash can be stored in a file like this: tie(%contact,'SDBM_File',$tmp_file,O_RDWR|O_CREAT,0666); How the function should be implemented in PHP if it's possible? Thanks, Bing -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php