wp-admin/includes/class-wp-media-list-table.php:538Handles the date column output.
$postWP_PostOne hook fires while WP_Media_List_Table::column_date() runs, in this order:
Filters the published time of an attachment displayed in the Media list table.
public function column_date( $post ) { if ( '0000-00-00 00:00:00' === $post->post_date ) { $h_time = __( 'Unpublished' ); } else { $time = get_post_timestamp( $post ); $time_diff = time() - $time; if ( $time && $time_diff > 0 && $time_diff < DAY_IN_SECONDS ) { /* translators: %s: Human-readable time difference. */ $h_time = sprintf( __( '%s ago' ), human_time_diff( $time ) ); } else { $h_time = get_the_time( __( 'Y/m/d' ), $post ); } } /** * Filters the published time of an attachment displayed in the Media list table. * * @since 6.0.0 * * @param string $h_time The published time. * @param WP_Post $post Attachment object. * @param string $column_name The column name. */ echo apply_filters( 'media_date_column_time', $h_time, $post, 'date' ); }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-media-list-table.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.