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php-general | 2003022

[PHP] Manipulating a text file From: Richard Kurth (rdkurth <email protected>)
Date: 02/26/03

Hello php-general,

I need to be able to add and delete to a text file that look like
this. I only need to manipulate the part after site:x:503:

site1:x:503:tester1,tester6
site2:x:504:
site3:x:505:
site4:x:506:
site5:x:507:
site6:x:508:
site7:x:509:tester2,tester3,tester4
site8:x:510:
site9:x:511:

I can get to this value by using this code below. But I have know Idea
on how to go about this. I want to be able to add to this list and
delete from the list. Example I would like to remove tester3 from
site7 and then I would like to add tester10 to site4. This should give
you an idea of what I am trying to do. I have asked this question
before but have never received an answer that I could understand.

$groups= file("group");
$number_in_group = count($groups);
for( $i = 0; $i < $number_in_group; $i++){
$group = explode(":",$groups[$i]);
$group[0];
$group[3]; //this is the group I what to be able to change but referenced by group[0]
I need to be able to add to and delete from this group and then save it to a file
} 

-- 
Best regards,
 Richard                          mailto:rdkurth <email protected>

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