Use get_children() (Codex ref): $images = get_children( array( ‘post_parent’ => $post->ID, ‘post_type’ => ‘attachment’, ‘post_mime_type’ => ‘image’, ‘orderby’ => ‘menu_order’, ‘order’ => ‘ASC’ ) ); The first image will be $images[0]. EDIT: And by “first image”, I mean, the $ID of the first image, which you can use with any of the myriad image- and … Read more
Read this response on how to properly use AJAX in plugins. If you just call a PHP script directly, WordPress is not loaded so no WP functions are available.
You can do that programatically via wp_insert_attachment() function. Here is an example at WP Codex: http://codex.wordpress.org/Function_Reference/wp_insert_attachment
To save the menu order use wp_update_post() with each attachment ID and its new menu position: $thisattachment = array(); $thisattachment[‘ID’] = $thisid; $thisattachment[‘menu_order’] = $new_menu_position; wp_update_post($thisattachment); EDIT – assuming these are already attachments and you’re updating them? Otherwise you have to insert the attachments first with wp_insert_attachment
Link to the image file using wp_get_attachment_link( $id, $size, $permalink, $icon, $text ): $id is the attachment ID, which, if using attachment.php, will simply be $post->ID $size is the image size, e.g. full, large, medium, thumbnail $permalink determines whether a link to the file or post is returned. Use false (which is the default) to … Read more
something I wrote a while ago: ‘Adjusting Caption Frame Width’
This is part of the WordPress template system, it allows you to drill down and further customize output based in the template hierarchy, for instance if you want the attachments to have separate functionality/style then your single.php, you simply create attachment.php or go even further with MIME_type.php (like images). http://codex.wordpress.org/images/1/18/Template_Hierarchy.png Also you have 4 url … Read more
Check out this search and replace plugin. The benefit of using an absolute URL is that you can easily find and replace it, either with the plugin linked above or an SQL statement or even using some built in WordPress API’s. So I wouldn’t do anything differently the next time. I used the search and … Read more
wp_get_attachment_image() does not pass output through any filters. You should apply changes to output of this function or use custom function for output.
You are checking if the field is empty. Try to update it if its empty as well if( trim( $attachment[ $field ] ) == ” ) $post[ ‘errors’ ][ $field ][ ‘errors’ ][] = __( ‘Error! Something went wrong.’ ); else update_post_meta( $post[ ‘ID’ ], $key, $attachment[ $field ] ); Try if( isset( $attachment[ $field … Read more