To get the featured image URL from posts in WordPress through code, you can use the get_the_post_thumbnail_url() function. This function returns the URL of the featured image for a post, or false if the post does not have a featured image.
To use the get_the_post_thumbnail_url() function, you need to pass in the post ID. You can get the post ID using the get_the_ID() function.
For example, the following code will get the featured image URL for the current post:
$featured_image_url = get_the_post_thumbnail_url( get_the_ID() );
You can also pass in a second argument to the get_the_post_thumbnail_url() function to specify the image size. The default image size is thumbnail, but you can also use other image sizes, such as medium, large, or full.
For example, the following code will get the featured image URL for the current post in the medium image size:
$featured_image_url = get_the_post_thumbnail_url( get_the_ID(), 'medium' );
Once you have the featured image URL, you can use it however you like. For example, you could display the featured image in a post template, or you could use it as the background image for a section of your website.
Here is an example of how to display the featured image for the current post in a post template:
<?php if ( has_post_thumbnail() ) : ?>
<img src="<?php echo get_the_post_thumbnail_url( get_the_ID() ); ?>" alt="<?php the_title(); ?>">
<?php endif; ?>
This code will only display the featured image if the post has one.
I hope this helps!
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