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IF statement for a custom field

I want to have a video appear if a field is filled out but I want the video to disappear if the field is empty. Is there an IF statement I can use to hide this blank field? I had something like this, but it broke the site:

<?php

if (isset(meta(video_url)))

<p><iframe src="<?php meta(video_url);?>" width="570" height="320" frameborder="0"></iframe></p>

?>


with video:
http://ec2-50-16-38-139.compute-1.amazonaws.com/wordpress/2011/03/category1/test-lou/

without:
http://ec2-50-16-38-139.compute-1.amazonaws.com/wordpress/2011/03/category2/this-is-a-test-post/

Louis Gubitosi | 03/23/11 at 1:29pm | Edit

Previous versions of this question: 03/23/11 at 1:31pm | 03/23/11 at 1:49pm

The experts have suggested, on average, a prize of $4 for this question.

(5) Possible Answers Submitted...

  • avatar
    Last edited:
    03/23/11
    1:33pm
    Pippin Williamson says:

    Obviously replace "meta" with the actual custom fields function.


    
<?php
    

    
if (meta(video_url) != "" && meta(video_url) != null) { ?>
    

    
<p><iframe src="<?php meta(video_url);?>" width="570" height="320" frameborder="0"></iframe></p>
    
<?php } ?>

    Previous versions of this answer: 03/23/11 at 1:33pm

    • 03/23/11 1:45pm

      Louis Gubitosi says:

      This was the closest fix so far but its showing the URL and not the video in the iframe.

      with video:
      http://ec2-50-16-38-139.compute-1.amazonaws.com/wordpress/2011/03/category1/test-lou/

      without:
      http://ec2-50-16-38-139.compute-1.amazonaws.com/wordpress/2011/03/category2/this-is-a-test-post/

    • 03/23/11 1:47pm

      Pippin Williamson says:

      Rather than echoing the video url into the iframe, maybe try just pasting the entire iframe into the custom field instead.

    • 03/23/11 1:49pm

      Louis Gubitosi says:

      I'd rather just have the URL and leave the embed code in the template. Is there a way to do that?

    • 03/23/11 1:50pm

      Pippin Williamson says:

      Yes, the way that I posted should work for that. Can you paste your exact code, please?

  • avatar
    Last edited:
    03/23/11
    1:34pm
    AdamGold says: 

    if( $_POST['yourfield'] != "" ) {
    
?>
    
<p><iframe src="<?php echo $_POST['yourfield']; ?>" width="570" height="320" frameborder="0"></iframe></p>
    
<?php
    
}

    • 03/23/11 1:36pm

      AdamGold says:

      Ahh didn't notice you're referring to custom field. In this case, you will have to paste this code inside a loop:


      
if( get_post_meta('video_url') != "" ) {
      
?>
      
<p><iframe src="<?php get_post_meta('video_url');?>" width="570" height="320" frameborder="0"></iframe></p>
      
<?php
      
}

  • avatar
    Last edited:
    03/23/11
    1:54pm
    David Navarrete says: 


    
<?php if ($video = get_post_meta(get_the_ID(), 'video_url', true)): ?>
    
<p><iframe src="<?php echo $video;?>" width="570" height="320" frameborder="0"></iframe></p>
    
<?php endif; ?>


    you can use http://www.viper007bond.com/wordpress-plugins/vipers-video-quicktags/ and put the video on cfield then call the c-field and use apply filters. like this

    
<?php echo apply_filters('the_content', $video); ?>

    Previous versions of this answer: 03/23/11 at 1:45pm | 03/23/11 at 1:54pm

  • avatar
    Last edited:
    03/23/11
    1:38pm
    Sébastien | French WordpressDesigner says: 

    <?php $video=get_post_meta(get_the_ID(), 'video', true);
    

    
if($video) { ?>
    
<p><iframe src="<?php echo $video;?>" width="570" height="320" frameborder="0"></iframe></p>
    
<?php } ?>

    Previous versions of this answer: 03/23/11 at 1:37pm | 03/23/11 at 1:38pm

  • avatar
    Last edited:
    03/24/11
    8:07am
    Nilesh shiragave says:

    Use this


    
<?php if (get_post_meta($post->ID, 'video_url', true)): ?>
    
<?php
    
$video = get_post_meta($post->ID, 'video_url', true);
    
?>
    
<p><iframe src="<?php echo $video;?>" width="570" height="320" frameborder="0"></iframe></p>
    
<?php endif; ?>

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