Problems trying to use seg2cat as a top level template conditional: Support - Low Seg2Cat - devot:ee

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Problems trying to use seg2cat as a top level template conditional

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Jonathan Schofield

Posted: 05 September 2011 10:03 AM

I’m new to seg2cat and I’m trying to use it in an EE 2.x template like so

{if segment_2 == ""} 
BRANCH 1: PRODUCT SECTION PAGE

{if:elseif segment_2_category_id}
BRANCH 2: PRODUCT GROUP (CATEGORY) PAGE

{if:else} 
BRANCH 3: PRODUCT DETAIL PAGE for {segment_2}
{/if} 

Output is as desired with the second and third code branches but the first branch (the products section page) with a url of the form example.com/template_group produces the following PHP error

A PHP Error was encountered

Severity: User Warning

Message: Invalid EE Conditional Variable: {if segment_2_category_id}

Filename: libraries/Functions.php

Line Number: 2790
A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /[server_system_path]/codeigniter/system/core/Exceptions.php:170)

Filename: core/Common.php

Line Number: 409

I know this extension is free but any help would be appreciated. I’ve made a modest donation towards its on-going development.

Jonathan Schofield

Posted: 06 September 2011 06:09 AM

# 1

I’ve tried all sorts of different ways to execute the three branches in a single template using seg2cat (my preferred outcome) including nested conditionals and various wrappers to parse the tested segment strings, but to no avail :(

I must be doing something wrong.

To clarify a little further, what I want to be able to achieve with the 3 branches is:

example.com/template_group
example.com/template_group/category_name
example.com/template_group/url_title 

instead of

example.com/template_group
example.com/template_group/category/category_name
example.com/template_group/url_title 

Jonathan Schofield

Posted: 06 September 2011 07:18 AM

# 2

OK, through trial and error and reading between the lines of the old seg2cat thread on Low’s blog, I’ve discovered a fix

Seems the answer is to go to the seg2cat Settings in Add-Ons and set Set all segments to Yes.

I’m not sure I follow why this works but it does.

A parting shot

Seg2cat does indeed seem to be the wonderful add-on I have heard so many times from others but the docs could really do with examples. I guess that’s reasonably the hidden ‘price’ of the add-on being free.