php errors on reverse related entries

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I'm having a very similar issue, getting similar, if not the same php errors as this person, but the code breaks on the page and I can't tell if its been resolved.

I'm running EE 2.2.2 and the latest version of Matrix. It happens when I try to call matrix cells inside reverse related entries. When I remove the related entries, it works fine and it works fine on its own with regular entries tags.

Error #1

a php error was encountered
Severity: Notice
Message: Undefined index: 1
Filename: channel/mod.channel.php
Line Number: 4070

Error #2

a php error was encountered
Severity: Warning
Message: Invalid argument supplied for foreach()
Filename: channel/mod.channel.php
Line Number: 4070

Error #3

a php error was encountered
Severity: Warning
Message: Cannot modify header information - headers already sent by (output started at /home/account_name/public_html/panel/codeigniter/system/core/Exceptions.php:170)
Filename: core/Common.php
Line Number: 409

Any thoughts on this? :)

Thanks!

2 people have
this problem +1

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Brandon Kelly (Official Rep) September 19, 2011 20:59
Hey Joelle,

Unfortunately you can’t put a Matrix tag inside {reverse_related_entries}.

To get around it, you need to use an embedded template:
```
{embed="site/_rev_rel" entry_ids="0{reverse_related_entries}|{entry_id}){/reverse_related_entries}
```
site/_rev_rel template:
```
{exp:channel:entries dynamic="no" entry_id="{embed:entry_ids}"}

  ... whatever was in your {reverse_related_entries} pair ...

{/exp:channel:entries}
```
good solution! good solution! (undo)
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- Joelle September 19, 2011 22:21
  
  Good to know!
  
  I understand your suggestion, but not entirely your example. The first one, what I should use to call the embed template... I don't know, is it missing a parenthesis or a bracket or a quote something? I see the embed open, but it doesn't close and I see the entry_id open with a quote, but not close with one and i see a parenthesis in there somewhere in the middle...
  
  I just wanted to make sure I'm doing it right. :)
  
  Thanks for your help, Brandon!
  
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- Joelle September 19, 2011 22:23
  
  Ooo, another question -- it can't be dynamic either??? I really need to be able to call the reverse related entries dynamically based on the post it's pulled up. That was the whole point of structuring it this way. But you have dynamic="no". Is it fine if I make it "yes"?
  
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- Brandon Kelly (Official Rep) September 19, 2011 23:16
  
  Sorry, the first line was missing a "} at the end.
  
  You can tweak the parameters on that {reverse_related_entries} tag to however you had it before. But by the time {exp:channel:entries} gets called in the embedded template, we’ve already figured out what the relevant reverse related entry IDs are, so dynamic="no" will tell EE to just display what we’re sending it.
  
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- Joelle September 19, 2011 23:16
  
  Actually, reading this further, maybe I don't understand your suggestion.
  
  This is what I've got:
  
  {exp:channel:entries channel="menu" disable="member_data|categories|trackbacks"} <div class="post"> <h2 class="page_heading">{title}</h2> {menu_intro} </div> {embed="_inc/rel_services" entry_ids="0{reverse_related_entries}|{entry_id}) {/reverse_related_entries}"} {/exp:channel:entries}
  
  Then, in the embed, I've got:
  
  {exp:channel:entries channel="menu" dynamic="no" entry_id="{embed:entry_ids}"} {reverse_related_entries channel="services"} <div class="post service"><a name="{entry_id}"></a> <div class="service_heading"> <div class="prices"> {service_prices} {if price1 !=""}<span class="price">{price1}</span>{/if} {if price2 !=""}<span class="price">{price2}</span>{/if} {if price3 !=""}<span class="price">{price3}</span>{/if} {/service_prices} </div> <h3>{title}</h3> </div> {service_description} </div> {/reverse_related_entries} {/exp:channel:entries}
  
  In general, the embed breaks the whole page, but I'm not really understanding why I add the channel entries again in the embed...
  
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- Joelle September 19, 2011 23:17
  
  Ah, we crossed paths. Actually, I added the "} at the end of the embed (just now) and it still wasn't working. :(
  
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- Joelle September 19, 2011 23:31
  
  I FIGURED IT OUT! Heh, I removed the related entries tags from my embed. I didn't quite get that part, but when I did that, all was well!!!
  
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Hey Joelle, Unfortunately you can’t put a Matrix tag inside {reverse_related_entries}. To get around it, you need to use an embedded template: <pre><code>{embed="site/_rev_rel" entry_ids="0{reverse_related_entries}|{entry_id}){/reverse_related_entries}</code></pre> site/_rev_rel template: <pre><code>{exp:channel:entries dynamic="no" entry_id="{embed:entry_ids}"} ... whatever was in your {reverse_related_entries} pair ... {/exp:channel:entries}</code></pre>

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Joelle September 19, 2011 23:34

Thanks for your help with this, Brandon. I'd have been here *forever* trying to figure that out. :)

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good solution! good solution! (undo)
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Thanks for your help with this, Brandon. I'd have been here *forever* trying to figure that out. :)

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Brandon Kelly (Official Rep) September 19, 2011 23:37

Glad you got it working!

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Glad you got it working!

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