Wordpress function and string as variable?

Question

I am creating something which passes featured image URLs to a separate JavaScript file which uses parallax.js to create a parallax background for each entry for an archive page.

This works fine when each post has an image.

I have been working on having a default image where there is no featured image but am having problems on pointing to it. I want to keep the path relative so when I upload to the host there is no need to have an absolute path.

At the moment it goes something like this:

if ( has_featured_image() ) {
  $image_link_url = $featured_background_image;
} else {
  $image_link_url = get_template_url() . 'images/placeholder_bg.png';
}

This does not work. How would I get the result I am after? Ideally want to have the function result and string at the end as one single string in a variable.

stims · Accepted Answer · 2016-10-14 14:09:12Z

1

Instead of

get_template_url()

user

get_template_directory_uri() for parent theme

and

get_stylesheet_directory_uri() for child theme or parent theme if not child theme present

NOTE: this will require a slash like so:

 $image_link_url = get_template_directory_uri() . '/images/placeholder_bg.png';

answered Oct 14, 2016 at 14:09

stims

3611 silver badge5 bronze badges

This solved the problem, thank you, was pulling my hair over something this simple

Galagargh
– Galagargh

2016-10-14 14:23:57 +00:00
Commented Oct 14, 2016 at 14:23

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Benoti · Accepted Answer · 2016-10-14 14:18:40Z

1

You can use has_post_thumbnail() instead of has_featured_image() and get_template_directory_uri() instead of get_template_url().

if(has_post_thumbnail()){
    $image_link_url = wp_get_attachment_image_url( $post_thumbnail_id, $size );
}else {
$image_link_url = get_template_directory_uri() . 'images/placeholder_bg.png';
}

answered Oct 14, 2016 at 14:18

Benoti

2,4962 gold badges14 silver badges14 bronze badges

this is actually exactly how my code looks now. was on my mobile and im bad with wordpress functions from memory

Galagargh
– Galagargh

2016-10-14 14:27:39 +00:00
Commented Oct 14, 2016 at 14:27

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CodeMascot · Accepted Answer · 2016-10-14 14:09:54Z

0

As far I've understood you want show a default image which you've store in a folder in your theme directory. So for that I think your code should be modeified a little bit-

if ( has_featured_image() ) {
    $image_link_url = $featured_background_image;
} else {
    $image_link_url = get_stylesheet_directory_uri() . '/images/placeholder_bg.png';
}

Please try the above code. I hope that will work.

answered Oct 14, 2016 at 14:09

CodeMascot

4,5472 gold badges15 silver badges25 bronze badges

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