Wordpress :: WP_Query for single

wp_query_single.php

<?php

/* by ID */
$args = array(
    'p' => 42, // id of a page, post, or custom type
    'post_type' => 'any'
);
$the_query = new WP_Query($args);

/* by post slug */
$args = array(
    'name' => 'hello-world', // slug of a page, post, or custom type
    'post_type' => 'any'
);
$the_query = new WP_Query($args);

/* result */
if($the_query->have_posts()) : while( $the_query->have_posts() ) : $the_query->the_post();
    
    the_title();

endwhile; wp_reset_query(); endif;