<?php
$post_id = get_queried_object_id();
$bla = "myImageURL";
// Set the image URL
$image_url = $bla;
// Check if the image already exists in the media library
$existing_image = get_posts(array(
'post_type' => 'attachment',
'meta_key' => '_wp_attached_file',
'meta_value' => sanitize_file_name(basename($image_url))
));
if (!$existing_image) {
// Image does not exist in the media library, so download it
$image_id = media_sideload_image($image_url, $post_id, '', 'id');
// Check for errors
if (is_wp_error($image_id)) {
print_r($image_url);
} else {
// The image was downloaded successfully. Now set it as the featured image for the post
set_post_thumbnail($post_id, $image_id);
}
} else {
// Image already exists in the media library, so set it as the featured image for the post
set_post_thumbnail($post_id, $existing_image[0]->ID);
}
?>