Vae Guide

<v:php>

Put PHP code inside this tag to have it run inside the proper Vae context at render-time.

The variable $context will be set to a PHP array containing the contents of the current context. This is the same array that you would have gotten back if you had called vae_find() on the current context’s ID. The variable $id will be set to the ID of the current context.

The VaeML shortcut <v? ?> provides a shorter way of writing this tag.

To write output to the page, you should return whatever you want inserted into the page. You cannot use echo, var_dump, or anything else that writes output directly. Alternatively, you can use the <v?= ?> shortcut.

Required Attributes

None.

Optional Attributes

None.

Sample Usage

Show only the first 20 characters of each post’s name:

<v:collection path="posts">
 <v:php>
  return substr($context['name'], 0, 20);
 </v:php>
</v:collection>
<v:collection path="posts">
 <v?=substr($context['name'], 0, 20)?>
</v:collection>

Show the MD5 hash of the current page’s title:

<v:php>
 return md5($context['title']);
</v:php>
<v?=md5($context['title'])?>

Increment and display global counter:

<v:collection path="posts">
 <v:php>
  return $i++;
 </v:php>
</v:collection>
<v:collection path="posts">
 <v?=$i++?>
</v:collection>