wp-admin/includes/upgrade.php:1882Execute changes made in WordPress 3.5.
function upgrade_350() { global $wp_current_db_version, $wpdb; if ( $wp_current_db_version < 22006 && $wpdb->get_var( "SELECT link_id FROM $wpdb->links LIMIT 1" ) ) { update_option( 'link_manager_enabled', 1 ); // Previously set to 0 by populate_options(). } if ( $wp_current_db_version < 21811 && wp_should_upgrade_global_tables() ) { $meta_keys = array(); foreach ( array_merge( get_post_types(), get_taxonomies() ) as $name ) { if ( str_contains( $name, '-' ) ) { $meta_keys[] = 'edit_' . str_replace( '-', '_', $name ) . '_per_page'; } } if ( $meta_keys ) { $meta_keys = implode( "', '", $meta_keys ); $wpdb->query( "DELETE FROM $wpdb->usermeta WHERE meta_key IN ('$meta_keys')" ); } } if ( $wp_current_db_version < 22422 ) { $term = get_term_by( 'slug', 'post-format-standard', 'post_format' ); if ( $term ) { wp_delete_term( $term->term_id, 'post_format' ); } }}Introduced in 3.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-admin/includes/upgrade.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.