From: "Justin Patrin" <[EMAIL PROTECTED]>
> >>What you need to understand is that the string parsing for variables
> >>only happens when the string is actually in your script. When you
> >>dynamically create a string (or get it from a DB) it's just a string of
> >>characters in memory and is *not* parsed.
> >>
> >>To do something like this, you would have to use one of a few things.
> >>The first would be to use some kind of search and replace to replace
> >>those variables with what you really want.
> >>
> >>$text = str_replace('$name', $name, $text);
> >>
> >>That's fairly simple and could even be done for multiple variables.
> >>
> >>foreach(array('name', 'price') as $varName) {
> >> //yes, the $$ is correct
> >> $text = str_replace('$'.$varName, $$varName, $text);
> >>}
> >>
> >>You could also use a regular expression if you *really* wanted to, but
> >>what's above is easier.
For a regular expression example of how to do this:
<?php
$str = 'this is $name a $test';
$name = 'John';
$test = 'foobar';
$evaled_str = preg_replace('/\$([a-z0-9_]+)/ie','\$\1',$str);
echo $evaled_str;
?>
Where "$str" is what's retrieved from the database with the "variables" in
it.
---John Holmes...
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