Forked from ghowardw/require-featured-image-can-publish-post.php
Created
February 1, 2024 22:20
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Require a Featured Image Before You Can Publish a Post
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<?php | |
/* | |
A great function that will display a message to the user that a Featured Image is missing and is required in order to publish | |
a new post. | |
*/ | |
add_action('save_post', 'wpds_check_thumbnail'); | |
add_action('admin_notices', 'wpds_thumbnail_error'); | |
function wpds_check_thumbnail($post_id) { | |
// change to any custom post type | |
if(get_post_type($post_id) != 'post') | |
return; | |
if ( !has_post_thumbnail( $post_id ) ) { | |
// set a transient to show the users an admin message | |
set_transient( "has_post_thumbnail", "no" ); | |
// unhook this function so it doesn't loop infinitely | |
remove_action('save_post', 'wpds_check_thumbnail'); | |
// update the post set it to draft | |
wp_update_post(array('ID' => $post_id, 'post_status' => 'draft')); | |
add_action('save_post', 'wpds_check_thumbnail'); | |
} else { | |
delete_transient( "has_post_thumbnail" ); | |
} | |
} | |
function wpds_thumbnail_error() | |
{ | |
// check if the transient is set, and display the error message | |
if ( get_transient( "has_post_thumbnail" ) == "no" ) { | |
echo "<div id='message' class='error'><p><strong>You must add a Featured Image. Your Post is saved as a draft but it can not be published.</strong></p></div>"; | |
delete_transient( "has_post_thumbnail" ); | |
} | |
} |
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