Title: WP_Media_List_Table::column_default
Published: August 18, 2015
Last modified: August 20, 2026
---
# WP_Media_List_Table::column_default( WP_Post $item, string $column_name )
## In this article
* [Parameters](https://developer.wordpress.org/reference/classes/wp_media_list_table/column_default/?output_format=md#parameters)
* [Source](https://developer.wordpress.org/reference/classes/wp_media_list_table/column_default/?output_format=md#source)
* [Hooks](https://developer.wordpress.org/reference/classes/wp_media_list_table/column_default/?output_format=md#hooks)
* [Related](https://developer.wordpress.org/reference/classes/wp_media_list_table/column_default/?output_format=md#related)
* [Changelog](https://developer.wordpress.org/reference/classes/wp_media_list_table/column_default/?output_format=md#changelog)
[ Back to top](https://developer.wordpress.org/reference/classes/wp_media_list_table/column_default/?output_format=md#wp--skip-link--target)
Handles output for the default column.
## [Parameters](https://developer.wordpress.org/reference/classes/wp_media_list_table/column_default/?output_format=md#parameters)
`$item`[WP_Post](https://developer.wordpress.org/reference/classes/wp_post/)required
The current [WP_Post](https://developer.wordpress.org/reference/classes/wp_post/)
object.
`$column_name`stringrequired
Current column name.
## [Source](https://developer.wordpress.org/reference/classes/wp_media_list_table/column_default/?output_format=md#source)
```php
public function column_default( $item, $column_name ) {
// Restores the more descriptive, specific name for use within this method.
$post = $item;
if ( 'categories' === $column_name ) {
$taxonomy = 'category';
} elseif ( 'tags' === $column_name ) {
$taxonomy = 'post_tag';
} elseif ( str_starts_with( $column_name, 'taxonomy-' ) ) {
$taxonomy = substr( $column_name, 9 );
} else {
$taxonomy = false;
}
if ( $taxonomy ) {
$terms = get_the_terms( $post->ID, $taxonomy );
if ( is_array( $terms ) ) {
$output = array();
foreach ( $terms as $t ) {
$posts_in_term_qv = array();
$posts_in_term_qv['taxonomy'] = $taxonomy;
$posts_in_term_qv['term'] = $t->slug;
$output[] = sprintf(
'%s',
esc_url( add_query_arg( $posts_in_term_qv, 'upload.php' ) ),
esc_html( sanitize_term_field( 'name', $t->name, $t->term_id, $taxonomy, 'display' ) )
);
}
echo implode( wp_get_list_item_separator(), $output );
} else {
echo '—' . get_taxonomy( $taxonomy )->labels->no_terms . '';
}
return;
}
/**
* Fires for each custom column in the Media list table.
*
* Custom columns are registered using the 'manage_media_columns' filter.
*
* @since 2.5.0
*
* @param string $column_name Name of the custom column.
* @param int $post_id Attachment ID.
*/
do_action( 'manage_media_custom_column', $column_name, $post->ID );
}
```
[View all references](https://developer.wordpress.org/reference/files/wp-admin/includes/class-wp-media-list-table.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/7.1/src/wp-admin/includes/class-wp-media-list-table.php#L693)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-admin/includes/class-wp-media-list-table.php#L693-L744)
## [Hooks](https://developer.wordpress.org/reference/classes/wp_media_list_table/column_default/?output_format=md#hooks)
[do_action( ‘manage_media_custom_column’, string $column_name, int $post_id )](https://developer.wordpress.org/reference/hooks/manage_media_custom_column/)
Fires for each custom column in the Media list table.
## [Related](https://developer.wordpress.org/reference/classes/wp_media_list_table/column_default/?output_format=md#related)
| Uses | Description |
| [wp_get_list_item_separator()](https://developer.wordpress.org/reference/functions/wp_get_list_item_separator/)`wp-includes/l10n.php` |
Retrieves the list item separator based on the locale.
|
| [get_the_terms()](https://developer.wordpress.org/reference/functions/get_the_terms/)`wp-includes/category-template.php` |
Retrieves the terms of the taxonomy that are attached to the post.
|
| [sanitize_term_field()](https://developer.wordpress.org/reference/functions/sanitize_term_field/)`wp-includes/taxonomy.php` |
Sanitizes the field value in the term based on the context.
|
| [esc_url()](https://developer.wordpress.org/reference/functions/esc_url/)`wp-includes/formatting.php` |
Checks and cleans a URL.
|
| [esc_html()](https://developer.wordpress.org/reference/functions/esc_html/)`wp-includes/formatting.php` |
Escaping for HTML blocks.
|
| [add_query_arg()](https://developer.wordpress.org/reference/functions/add_query_arg/)`wp-includes/functions.php` |
Retrieves a modified URL query string.
|
| [get_taxonomy()](https://developer.wordpress.org/reference/functions/get_taxonomy/)`wp-includes/taxonomy.php` |
Retrieves the taxonomy object of $taxonomy.
|
| [do_action()](https://developer.wordpress.org/reference/functions/do_action/)`wp-includes/plugin.php` |
Calls the callback functions that have been added to an action hook.
|
[Show 5 more](https://developer.wordpress.org/reference/classes/wp_media_list_table/column_default/?output_format=md#)
[Show less](https://developer.wordpress.org/reference/classes/wp_media_list_table/column_default/?output_format=md#)
## [Changelog](https://developer.wordpress.org/reference/classes/wp_media_list_table/column_default/?output_format=md#changelog)
| Version | Description |
| [5.9.0](https://developer.wordpress.org/reference/since/5.9.0/) | Renamed `$post` to `$item` to match parent class for PHP 8 named parameter support. |
| [4.3.0](https://developer.wordpress.org/reference/since/4.3.0/) | Introduced. |
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