How to define a default featured image

[swc]

I'm working on a custom version of the Ambient Pro theme that uses featured images in a grid for the default blog page. It's great except that it's going on a site that has been around a while and some of the old posts don't have featured images. Since the titles are white and normally sit over a featured image, they disappear without a featured image. What I'd like to do is simply define a default featured image for posts that do not have one. This should be simple enough, but I'm not sure what filter to hook into to define an image if the standard function did not return one.

[Brad Dalton]

I would use a plugin like what Travis Smith has coded Genesis featured image https://wordpress.org/plugins/genesis-featured-images/

Or this one by Robin Cornett https://wordpress.org/plugins/display-featured-image-genesis/

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Tutorials for StudioPress Themes.

[Abland]

Hi, swc,

This works for me in the theme functions.php

//--> DEFAULT FEATURED IMAGE
add_filter( 'genesis_pre_get_image', 'default_featured_image_when_not_set', 10, 1 );
function default_featured_image_when_not_set( $post ) {
if ( '' != get_the_post_thumbnail() ) :
    return $post;
else: 
   echo '<img src="//path/to/image.png" width="150" class="alignleft" />';
endif;
}

[Brad Dalton]

@Abland, not a bad solution but what happens with image alignment and size when you change the Genesis > Theme Settings > Content Archives > Featured image settings?

How do they match your default?

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Tutorials for StudioPress Themes.

[Abland]

Hi, braddalton,

Good point to notice - this was from one site.

To anyone reading: where the image src is echoed adjust width and class to what's needed.

[swc]

Thanks - that code snippet was really helpful and solved the problem.

[Genesis Developer]

If you try following snippets then what is happening?

add_filter( 'genesis_pre_get_image', 'default_featured_image_when_not_set', 10, 2 );
function default_featured_image_when_not_set( $post , $args ) {
if ( '' != get_the_post_thumbnail() ) :
    return $post;
else: 
   echo '<img src="//path/to/image.png" width="150" class="' . $args['attr']['class'] .'" />';
endif;
}

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Download Genesis Featured Posts Combo Widget | Simple Grid Layouts Plugin for Posts, CPTs and terms
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