Question: Maths and forums

[aa-true-vicious]

Case 1
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Okay, I have:

$time = $Fsend * "0.01" + $PBsend * "0.02" + $ACsend * "0.02" + $AFsend * "0.15" + $ICFsend * "0.25" + $Dsend "0.7" + $MCsend * "0.7" + $Bsend * "1.2";

But the parser won't allow it

Case 2
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I have a forum, and I want to be able to:
1
Change < and > to & l t ; and & g t ; (without spacing).
2
Change all swear words to *s

Thanks!

[benkillin]

dont quote the numbers, if you do, they get turned into strings, you cant do mathamatical functions to strings of text.

[drag0n]

yep dont quote the numbers for case1
for case 2, go to www.php.net and look up the str_replace and preg_replace functions