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Posted on 2000-02-16
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Last Modified: 2006-11-17
Here goes my last 50 points... Just cause I'm too lazy to look in a book for the answer...
OK I'm trying to learn how to use PHP. I can use Cold Fusion fairly well but that's not all that much like PHP.
My question is...
In Cold Fusion you can call on a variable in the 'location' in the browser... for example
index.cfm?thread_ID=4444
where the variable thread_ID is 4444.
so is it possible to do this in php?
ex index.php3?thread_ID=4444
I need this so that when a user clicks on a thread in my forums they can click on the url ?thread_ID=???.
So I know this is possible.. Could you please give me the code to call it from the URL...

thank ya...

- Mike Page
www.idev.org
webmaster@supercool.org
ICQ: 829645
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Question by:SuperCool
8 Comments
 
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Accepted Solution

by:
gravity earned 200 total points
ID: 2529594
Yep, that's how you set variables.

For example :

<A HREF=mypage.php3?variable=test&variable2=anothertest>Click here!</A>

Will go to mypage.php3 and set $variable to 'test' and $variable2 to 'anothertest'.

0
 

Author Comment

by:SuperCool
ID: 2529679
ya.. that i could have figured out myself...
but i need to know how to access those variables from my page....
for example i want it to...
select * where thread_id = #URL.Thread_ID#

(#URL.Thread_ID# the equivelant as a CF tag)

- Mike
0
 
LVL 2

Expert Comment

by:gravity
ID: 2529712
Is the following what you're after ?

<?
    $sql = "select * from table where thread_id='$thread_id'";
?>

where $thread id is the value passed by the URL ?
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Author Comment

by:SuperCool
ID: 2529760
so simple? sounds good to me...
0
 
LVL 2

Expert Comment

by:freshmeat
ID: 2529955
yes!
that is why php cooler than asp!
simpler is better!!
:)
i like php!!
^@^
0
 

Expert Comment

by:tejass
ID: 2530867
It is much simpler than that. You just use the variable $thread_ID in the page that is being called.
0
 

Author Comment

by:SuperCool
ID: 2530882
question was already answered
0
 
LVL 2

Expert Comment

by:gravity
ID: 2531676
Groovyness is PHP indeed... one other shortcut you might find usefull :
You know the start and end PHP tags, ie <? and ?> ?
Well, you can use them really usefully to separate HTML in if statements, e.g. :

<?
    if (statement) {
?>
<SOME HTML>
<?
    } else {
?>
<SOME OTHER HTML>
<?
    }
?>
This quite usefull as it means you don't have to format the HTML you want to output using echo or whatever.
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