Frequently used wordpress tags

                        
                          <?php the_title();?>
<?php the_content();?>
<?php the_permalink(); ?>

This will show the authors username
<?php the_author(); ?>

This will show the author's first and last name
<?php the_author_meta( 'first_name'); ?> 
<?php the_author_meta( 'last_name'); ?>

<?php echo get_the_date( 'm-d-Y' ); ?>
<a href="<?php echo wp_logout_url(); ?>">Logout</a>

This will log them out and redirect to homepage
<a href="<?php echo wp_logout_url( home_url() ); ?>">Logout</a>

Featured image URL
<?php the_post_thumbnail_url(); ?>

The ID of a post
<?php the_ID(); ?>

Home URL
<a href="<?php echo get_home_url(); ?>">Home</a>

Horizontal comma separated list of categories
<?php the_category(', '); ?>

Vertical  list of categories as list items
<?php the_category();?>

Wordpress code for the current category title inside the loop
<?php single_cat_title(); ?>

Get the menu by id
<?php echo esc_url( get_permalink(88) ); ?>