Attachment is just post_parent value of the attachment post object, you can update that via wp_update_post: foreach( $gallery_array as $value ) { $the_post = array( ‘ID’ => $value, ‘post_parent’ => $target_post_id, ); wp_update_post( $the_post ); }
In case anyone with a similar issue finds this post, this solution worked for me. Still have some kinks to work out with the specifics of my plugin, but this solution will at least add the sidebar menu to a custom modal.
Solved with this plugin, it seems that it’s a problem related with memory in 1&1 hosting: https://schnurpsel.de/wordpress-plugins/123-image-resize/
WordPress Uploads Directory not using dates in links
Add custom JavaScript that is a combination of CDN/uploaded files and easily-edited code?
Upload Image using wp_insert_attachment and file url don’t have file extension
This is how you can limit the image upload size function fineima() { if (isset($_POST[‘submit’])) { wp_upload_bits($_FILES[‘fileToUpload’][‘name’], null, file_get_contents($_FILES[‘fileToUpload’][‘tmp_name’])); } echo ‘<form action=”” method=”post” enctype=”multipart/form-data”> <input type=”file” name=”fileToUpload” id=”fileToUpload”> <input type=”submit” value=”Upload Image” name=”submit”> </form> ‘; } function fineFileUploaderRenderer() { ob_start(); fineimageUpload(); return ob_get_clean(); } add_shortcode(‘your_file_uploader’, ‘fineFileUploaderRenderer’);
WordPress Media Library – Upload space used
Unable to upload image using the standard uploader in the WP admin (v4.3)
HTTP Error after finishing uploading a video that is bigger than 64 MB -> After raising the upload limit manually in the wp-config file