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function is not described

upgrade_290() WP 2.9.0

Execute changes made in WordPress 2.9.

No Hooks.

Return

null. Nothing.

Usage

upgrade_290();

Notes

  • Global. Int. $wp_current_db_version The old (current) database version.

Changelog

Since 2.9.0 Introduced.

Code of upgrade_290() WP 5.8.2

function upgrade_290() {
	global $wp_current_db_version;

	if ( $wp_current_db_version < 11958 ) {
		// Previously, setting depth to 1 would redundantly disable threading,
		// but now 2 is the minimum depth to avoid confusion.
		if ( get_option( 'thread_comments_depth' ) == '1' ) {
			update_option( 'thread_comments_depth', 2 );
			update_option( 'thread_comments', 0 );
		}
	}
}