wp-admin/includes/upgrade.php:1993Executes changes made in WordPress 4.3.0.
function upgrade_430() { global $wp_current_db_version, $wpdb; if ( $wp_current_db_version < 32364 ) { upgrade_430_fix_comments(); } // Shared terms are split in a separate process. if ( $wp_current_db_version < 32814 ) { update_option( 'finished_splitting_shared_terms', 0 ); wp_schedule_single_event( time() + ( 1 * MINUTE_IN_SECONDS ), 'wp_split_shared_term_batch' ); } if ( $wp_current_db_version < 33055 && 'utf8mb4' === $wpdb->charset ) { if ( is_multisite() ) { $tables = $wpdb->tables( 'blog' ); } else { $tables = $wpdb->tables( 'all' ); if ( ! wp_should_upgrade_global_tables() ) { $global_tables = $wpdb->tables( 'global' ); $tables = array_diff_assoc( $tables, $global_tables ); } } foreach ( $tables as $table ) { maybe_convert_table_to_utf8mb4( $table ); } }}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/upgrade.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.