=' ) and that will return true for 6.3-RC2. * * @param string $version The version to compare against. * @param string|null $operator Optional. The comparison operator. Defaults to null. * @return bool|int Returns true if the current WordPress version satisfies the comparison, false otherwise. */ public static function wp_version_compare( $version, $operator = null ) { $current_wp_version = get_bloginfo( 'version' ); if ( preg_match( '/^([0-9]+\.[0-9]+)/', $current_wp_version, $matches ) ) { $current_wp_version = (float) $matches[1]; } // Replace non-alphanumeric characters with a dot. $current_wp_version = preg_replace( '/[^0-9a-zA-Z\.]+/i', '.', $current_wp_version ); $version = preg_replace( '/[^0-9a-zA-Z\.]+/i', '.', $version ); return version_compare( $current_wp_version, $version, $operator ); } }