variable tags in templates

[richcleverley]

Hi,

I've seen scripts (one was an encoded one I had to do some work with) that have variable tags in the template so that all you have to do to display certain things is put <%tagname%>.

Obviously this is set up somewhere in the encoded files I have had to work with but how do you code this yourself in your own scripts?

I suppose an example would be if I had a variable with the name $foo how would I code that so if I put <%foo%> I would display the value of $foo.

Thanks in advance.

Richard

 

[KarveR]

check the manual for preg_replace, it may be what you seek.

http://uk.php.net/manual/en/function.preg-replace.php

______________________________________________________________________
There's no present like the time, they say. - Henry's Cat.

 

[richcleverley]

Hmm, not too sure if that is it.

The templates in question are pure html and just have <%tagname%> in them which then displays the value of the tag.

Unless I'm missing something (which is altogether possible!!) preg_replace wouldn't be used for this.

Thanks anyway.

Richard

 

[KarveR]

well, it seemed like a possibly candidate: ave a play.

<?php
$filename = "content";
$handle = fopen($filename, "r");
$template_content = fread($handle, filesize($filename));
$value1='<font size=10 color=red>';
$value2='</font><hr><br><hr>';
$foo="this is a test";
$search=array(
        '/<%tagname1%>/',
        '/<%tagname2%>/',
        '/<%tagname3%>/'
);

$replace=array(
        ''.$value1.'',
        ''.$value2.'',
        ''.$foo.''
);
$output=preg_replace($search,$replace,$template_content);
echo $output;

?>

______________________________________________________________________
There's no present like the time, they say. - Henry's Cat.

 

[jpadie]

could you be talking about apache server side includes (SSI). These use similar tags (infact html comments).

but if you want a templating system (or simple tag replacement), i'd always go for php and a system like KarveR's (although i'm not a fan of preg_replace - i'd prefer something like str_replace: largely because i'm not bright enough to understand regular expressions).