]*)>\[[^\]]*\]|', static function ( array $matches ) use ( $date_format, $time_format ): string { $ts = strtotime( $matches[1] ); if ( false === $ts || 0 >= $ts ) { return $matches[0]; } $formatted = wp_date( $date_format . ' ' . $time_format, $ts ); return '[' . esc_html( (string) $formatted ) . ']'; }, $content ); return $result ?? $content; } }