ayk_amanov wrote: > I'm interested in such algorithm that solves problem of finding longest > common prefix of two or more strings. Hi Aybek, This function should do it. <?php function find_longest_prefix($a, $b) { $i = 0; $ret = ''; while ($a[$i] == $b[$i]) { $ret .= $a[$i++]; } return $ret; } ?> -- Rajesh ------------------------ Yahoo! Groups Sponsor --------------------~--> See what's inside the new Yahoo! Groups email. http://us.click.yahoo.com/2pRQfA/bOaOAA/yQLSAA/saFolB/TM --------------------------------------------------------------------~-> PHP Data object relational mapping generator http://www.metastorage.net/ Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/php-objects/ <*> To unsubscribe from this group, send an email to: php-objects-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/