If your theme already includes: add_theme_support( ‘post-thumbnails’ ); Then you can just add a new size in functions: add_image_size(‘custom’, 70, 70, TRUE); http://codex.wordpress.org/Function_Reference/add_theme_support http://codex.wordpress.org/Post_Thumbnails
It is possible but it needs some developing effort. First of all it is important to know that WordPress default »galleries« are not discrete resources you can address with an separate URL. They are just shortcodes defined on a single posts context. So what you need to do is to define a URL the thumbnails … Read more
Retrieve image from Open Graph of an external URL and set as featured image
Ok, here is how the thumbnail url should be called: <header <?php if ( has_post_thumbnail($currentpageid) ) { ?> style=”background-image: url(<?php echo $page_thumb[‘0’];?>)”<?php }?>></header>
I think you can use a different approach: write a custom sql query that get the ids of the thumbnails attachment of the children pages, and if found call wp_get_attachment_image_src on this ids to retrieve the urls: function my_get_thumbnails( $post = NULL, $which=”both” ) { // first we get the post, if no post is … Read more
Why are my ‘medium’ images the wrong size
You can turn your snippet into a function that returns the post thumbnail URL of a post: function wpse81577_get_small_thumb_url( $post_id ) { $thumbSmall = wp_get_attachment_image_src( get_post_thumbnail_id( $post_id ), ‘small’ ); return $thumbSmall[‘0’]; } Usage, supplying the ID of a post: <?php echo wpse81577_get_small_thumb_url( 59 ); ?>
get the post thumbnail returns the full size
The problem was that I read the image sizes inside the “init” hook at which point the additional sizes are not loaded yet by WordPress. I used a “later” hook now and it works.
I’ve Discovered that you can use the add_image_size function to achieve this. Function Reference/add image size