WP_Query(); example

$args = array(
);

$query = new WP_Query( $args );

// The Loop
if ( $query->have_posts() ) {
  while ( $query->have_posts() ) {
    $query->the_post();
    // content
  }
} else {
  // no posts found content
}


wp_reset_postdata(); // Restore original Post Data