Hi,
play with array_intersect or array_diff and some other array functions.
http://www.php.net/manual/en/function.array-intersect.php (PHP 4 >= 4.0.1)
http://www.php.net/manual/en/function.array-diff.php (PHP 4 >= 4.0.1)
----- Original Message -----
From: "Joe Rice" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: 2001. augusztus 14. 19:57
Subject: [PHP] Q: array intersection problem
> hi,
>
> i have two arrays that i would like
> to find the intersection and at
> this intersection alter the value.
>
> $invalid = array("1","3","9");
> $questions = array("1","2","3","4","5","6","7","8","9");
>
> and i would like the result to be an new array that looks
> like this:
>
> $new_questions = array("<font color=red>1</font>",
> "2",
> "<font color=red>3</font>",
> "4","5","6","7","8",
> "<font color=red>4</font>");
>
> thank you in advance,
> joe
>
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