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October 10, 2015 05:07
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This script looks for a featured image on the current page, if it can't find a featured image it will continue to look backwards through the family tree until it can find one. Then it will print it.
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| <?php | |
| global $post; | |
| if ( isset($post) ) { | |
| //get the ancestors | |
| $familyTree = get_ancestors($post->ID,'page'); | |
| array_unshift( $familyTree, $post->ID ); //add the current page to the begining of the list | |
| //loop through the family tree until you find a result or exhaust the array | |
| $featuredImage = ''; | |
| foreach ( $familyTree as $family_postid ) { | |
| if ( has_post_thumbnail( $family_postid ) ) { | |
| $featuredImage = get_the_post_thumbnail( $family_postid, 'full' ); | |
| break; | |
| } | |
| } | |
| // if the page has a featured image then show it | |
| echo ( $featuredImage ? $featuredImage : "" ); | |
| } |
@rachelbaker Thanks for the tip! I don't know why I didn't see this notification earlier but I appreciate it. :)
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Don't forget to check that $post has been set.
global $post
if ( isset($post) ) {
// your code here
}