Re: Help!! with array's Please

Hi, Friday, February 28, 2003, 12:20:38 PM, you wrote: RK> I really need somebody to help me with this I am totally lost on what RK> to do RK> I need a way to read the following text file and add to or delete from RK> or change the data. RK> I have been able to move it all into an array using this code RK> $groups= file("group"); RK> for ($i=0; $i<$number_in_group; $i++){ RK> $groups[0]; RK> $groups[3]; <-- this is the part of the array that I need to change RK> } RK> But I can not figure out how to search the array and delete from or add RK> to the array at a given point. I would like to say add another user to RK> the end of site6 or delete a user from site3. RK> Could somebody give me a hand here. I have read the manual for arrays RK> and still can't figure it out. RK> site1:x:503:tester1 RK> site2:x:504:tester2,tester2a RK> site3:x:505:tester3,tester3a,tester3b RK> site4:x:506:tester4 RK> site5:x:507:tester5,tester5a,tester5b RK> site6:x:508:tester6 RK> site7:x:509:tester7,tester7a,tester7b RK> -- RK> Best regards, RK> Richard mailto:rdkurth@starband.net your groups array will look like this groups[0] = site1:x:503:tester1 groups[1] = site2:x:504:tester2,tester2a so loop through the array $x = 0; while(list($key,$val) = each($groups)){ //you need split the array values like this list($name,$pass,$gid,$user_list) = split (":", $groups[$x]); //see if we have the right one if($name = $wanted_name){ //site6 //then split the usernames into a sub array $users = explode(',',$userlist); // to add $users[] = $newuser; // to delete unset($users[3]) // now add it back $userlist = implode(',',$users) $list = $name.':'.$pass.':'.$gid.':'.$userlist; $groups[$x] = $list; } $x++; //here you could fputs to a temp file then copy to the original // after finished } Then write groups back to disk -- regards, Tom