Your better off adding your custom image data when you insert it into a post using media_send_to_editor, the caveat is this will not be applied to any existing images, only ones inserted after adding the function. To apply it to to existing content you will have use preg_match on the_content filter, but this can significantly … Read more
You have not created the attachment as link to the post, you will need to do that first. Then you can use in the content. Alternative it is possibel to upload to other path, but better is a link in the post, post-ID to attachment-ID. Easiest way to do that is with wp_insert_attachment(). This function … Read more
Invalid argument supplied for foreach means that the X in foreach X as … is not an array. You can prevent this error by type casting; add (array) before the argument in the foreach statement. This will turn your variable into an array, essentially. In your code, the change would be… foreach ( (array) $attach_meta[‘sizes’] … Read more
For each image/post combination, run the following. $image_name is the filename, $post_id is the post ID. if( $image_name != ” && !has_post_thumbnail( $post_id ) ){ $base = get_stylesheet_directory(); $imgfile= $base . ‘/import/’ . $image_name; // Images are stored inside an imports folder, in the theme directory $filename = basename($imgfile); $upload_file = wp_upload_bits($filename, null, file_get_contents($imgfile)); if … Read more
By default images already have unique class’s but this depends on your theme. Use firebug and hover over the images and you should see stuff like class=”aligncenter size-full wp-image-1525″. If you want to change the class or id or alter any attributes of the image you can use the get_image_tag filter. For example, add_filter(‘get_image_tag_class’,’my_custom_class’); function … Read more
I know it’s one year old but just in case someone else is also searching: You could upload the main files (not all 3 sizes, just the original images) via FTP to another directory on your server and then use the Add-From-Server Plugin.
How to resize image on client-side before upload?
Attachments in a gallery are their own posts, with some special settings. To get a list of all the attachments for a given post, you basically just create a new query and specify the post parent and attachment type. $gallery_images = new WP_Query(array( ‘post_parent’ => $post->ID, ‘post_type’ => ‘attachment’, ‘post_mime_type’ => ‘image’, ‘post_status’ => ‘inherit’, … Read more
Well all depends und your use case – can the renaming be done in bulk using regex? then go and apply the same regex to the Database, by e.g using http://wp-cli.org/commands/search-replace/ If you need to do it manually maybe take a look at https://wordpress.org/plugins/media-file-renamer/ Good Luck!
the problem is in this line : $attach_id = media_handle_upload( $file_handler, $user_id ); when you use media_handle_upload and provide a second parameter (which in your case you do) the the attachment is associated with a post that has that ID, so basically WordPress thinks your are telling it to save this as an attachment to … Read more