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Determining if a field is empty

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2 Posts   2678 Views


Forum Moderator, 4102 Posts

2 March 2008 at 5:36am

Edited: 02/03/2008 5:37am

I have a function that I add to most of my data types that looks like this:

function has($field)
   return !empty($this->{$field});

I use this to determine at the template level whether or not a specific field has any data, because sometimes the template will require different display logic if it doesn't. For instance:

<% if has(Email) %>
<% else %>
<% end_if %>

My question is, first of all, is this a common practice, or is there an easier way? Secondly, how come when I had this function in my controller it was throwing a PHP error on the template syntax, but when I moved it to my data model, it worked fine? Aren't all template functions supposed to be in the controller? Weird.


Community Member, 501 Posts

3 March 2008 at 5:41am

I just do

<% if Email %>
<% else %>
<% end_if %>

without any function.