wp-admin/includes/class-wp-posts-list-table.php:1405Handles the default column output.
$itemWP_Post$column_namestring4 hooks fire while WP_Posts_List_Table::column_default() runs, in this order:
Filters the links in `$taxonomy` column of edit.php.
Fires in each custom column on the Posts list table.
Fires in each custom column in the Posts list table.
Fires for each custom column of a specific post type in the Posts list table.
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 ) { $taxonomy_object = get_taxonomy( $taxonomy ); $terms = get_the_terms( $post->ID, $taxonomy ); if ( is_array( $terms ) ) { $term_links = array(); foreach ( $terms as $t ) { $posts_in_term_qv = array(); if ( 'post' !== $post->post_type ) { $posts_in_term_qv['post_type'] = $post->post_type; } if ( $taxonomy_object->query_var ) { $posts_in_term_qv[ $taxonomy_object->query_var ] = $t->slug; } else { $posts_in_term_qv['taxonomy'] = $taxonomy; $posts_in_term_qv['term'] = $t->slug; } $label = esc_html( sanitize_term_field( 'name', $t->name, $t->term_id, $taxonomy, 'display' ) ); $term_links[] = $this->get_edit_link( $posts_in_term_qv, $label ); } /** * Filters the links in `$taxonomy` column of edit.php. * * @since 5.2.0 * * @param string[] $term_links Array of term editing links. * @param string $taxonomy Taxonomy name. * @param WP_Term[] $terms Array of term objects appearing in the post row. */ $term_links = apply_filters( 'post_column_taxonomy_links', $term_links, $taxonomy, $terms ); echo implode( wp_get_list_item_separator(), $term_links ); } else { echo '<span aria-hidden="true">—</span><span class="screen-reader-text">' . $taxonomy_object->labels->no_terms . '</span>'; } return; } if ( is_post_type_hierarchical( $post->post_type ) ) { /** * Fires in each custom column on the Posts list table. * * This hook only fires if the current post type is hierarchical, * such as pages. * * @since 2.5.0 * * @param string $column_name The name of the column to display. * @param int $post_id The current post ID. */ do_action( 'manage_pages_custom_column', $column_name, $post->ID ); } else { /** * Fires in each custom column in the Posts list table. * * This hook only fires if the current post type is non-hierarchical, * such as posts. *Introduced in 4.3.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-admin/includes/class-wp-posts-list-table.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.