attachments - Read For Learn

Add column for attachment file size

Working code: // Add custom column with file size info to attachment page add_filter( ‘manage_media_columns’, ‘bb2_manage_media_columns’, 10, 2 ); function bb2_manage_media_columns( $columns ) { $columns[‘filesize’] = __( ‘Storlek’, ‘bb2’ ); return $columns; } add_action( ‘manage_media_custom_column’, ‘bb2_manage_media_custom_column’, 10, 2 ); function bb2_manage_media_custom_column( $column_name, $id ) { switch ( $column_name ) { case ‘filesize’ : $bytes = … Read more

Programatically creating image attachments from local URLs and setting featured image

Answers: Is post_guid the image location reference? Or is the path to the image stored somewhere else? $post->guid is the record in a post which holds the URL for your attachment. Where is featured image set? featured image is saved as post meta so use update_post_meta() once you have the attachment id: update_post_meta( $post->ID, ‘_thumbnail_id’, … Read more

Automatic image renaming based on title

Hook into the filter ‘sanitize_file_name’. See my plugin Germanix URL for a working example. A plugin doing this is Rename Media.

Delete attachments from Front end

You can do it via ajax, first, let’s change your current function to this: <?php $args = array( ‘order’ => ‘ASC’, ‘orderby’ => ‘menu_order’, ‘post_type’ => ‘attachment’, ‘post_parent’ => $post->ID, ‘post_mime_type’ => ‘image’, ‘post_status’ => null, ‘numberposts’ => -1, ); $images = get_posts( $args ); $imagenum=0; foreach($images as $image): $imagenum++; ?> <div style=”width:110px; float:left;”> <?php … Read more

Add an image gallery to a custom post type?

When you just have raw image files, that you want to assign to a post, wp_insert_attachment will do the job. With attachments already present in your database you can use wp_update_post to set the attachment’s post_parent. Like this: wp_update_post( array( ‘ID’ => $attachment_id, ‘post_parent’ => $parent_post_id, )); To recieve a post’s attachments you can use … Read more

How can I display custom fields value from attachment media?

Use these: get_post_meta($attachment->ID, ‘_title_en’, true); get_post_meta($attachment->ID, ‘_description_en’, true); get_post_meta($attachment->ID, ‘_title_es’, true); get_post_meta($attachment->ID, ‘_description_es’, true); See if you need to use the _ prefix: Creating Custom Fields for Attachments in WordPress Also: Function Reference/get post meta

How can I display image metadata?

Because the credit data is saved in the attachment’s post meta, not the main post: $credit = get_post_meta( $post->ID /* Wrong ID! */, ‘credit’, true ); Instead you need to catch the ID of the inserted image: function attach_image_credit( $images ) { $return = $images[0]; // Get the image ID from the unique class added … Read more

How to check if an image attachment exists before uploading

OK I finally found the problem! I was trying to assign the same slug to both the attachment and the parent post, and apparently WordPress won’t have that. The “name” in the media library for the attachment was correct but the actual slug was getting a -2 at the end. Here’s the fixed code, simply … Read more

Get attachment from post

You can use ACF(Advance Custom Filed) for this please read document for this https://www.advancedcustomfields.com/

Retrieving a custom link on an attachment

On the Trac ticket you’ve linked at the bottom there is a solution to make it work function _save_attachment_url($post, $attachment) { if ( isset($attachment[‘url’]) ) update_post_meta( $post[‘ID’], ‘_wp_attachment_url’, esc_url_raw($attachment[‘url’]) ); return $post; } add_filter(‘attachment_fields_to_save’, ‘_save_attachment_url’, 10, 2); function _replace_attachment_url($form_fields, $post) { if ( isset($form_fields[‘url’][‘html’]) ) { $url = get_post_meta( $post->ID, ‘_wp_attachment_url’, true ); if ( … Read more

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