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Correct code for image attribute

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Hello!
I have problem with code to call the image attribute in page list.
I put a code: 
<img width="250px" src=<?php echo($c->getAttribute('okladka')->getVersion()->getRelativePath());?>>

The site works perfect. But when I try to add page by form this error occur:
Call to a member function getVersion() on a non-object.
I'm using Concrete 5.7
 
MrKDilkington replied on at Permalink Reply
MrKDilkington
Hi tzmudzinski,

Did you try it without getVersion()?
tzmudzinski replied on at Permalink Reply
Yes I did and there is an error:
Call to a member function getRelativePath() on a non-object

I notice that the problem appears when there is no value to the attribute.
MrKDilkington replied on at Permalink Reply
MrKDilkington
Are you including this before you get the attribute?
$c = Page::getCurrentPage();
tzmudzinski replied on at Permalink Reply
Yes i did and have the same error (Call to a member function getRelativePath() on a non-object)

this is the code what I have on my site:

<?php $this->inc('elements/header.php'); ?>
<h1><?php echo $c->getCollectionName() ?></h1>
   <?php $c = Page::getCurrentPage(); ?>
<table cellpadding="10" style="width: 100%" class="tekst">
   <tr>
      <td width="250px" valign="top">
      <img width="250px" src=<?php echo($c->getAttribute('okladka')->getRelativePath());?>>
      </td>
      <td>
      <!--Opis-->
      <?php echo  $c->getAttribute('Opis');?>
      <!--Opis-->
      </td>
   </tr>
</table>
Viewing 15 lines of 19 lines. View entire code block.
jordif replied on at Permalink Reply
jordif
Hi,

you should make sure this is an object (before you call the getRelativePath function).

Something like:

<?php
if( is_object($c->getAttribute('okladka')) ) {
   <img width="250px" src=<?php echo($c->getAttribute('okladka')->getRelativePath());?>>
}
?>


Regards,

Jordi
tzmudzinski replied on at Permalink Reply
That works perfect!!!
THANK YOU VERY MUCH!:)