Get List of WordPress Custom Taxonomy Terms and Display Both Parent and Child

sidebar.php

<?php
<ul class="vertical menu accordion-menu" data-accordion-menu>

	<li>
		<a href="#" class="accordion-menu__title">Categories</a>

		<?php
		$dinecategory = get_terms(
			'dinecategory',
			array(
				'hide_empty' => 0,
				'parent'     => 0,
			)
		);
		?>

		<ul class="menu vertical nested is-active">

			<h3>Categories</h3>

			<?php
			foreach ( $dinecategory as $dine_term ) :
				?>

				<li>
					<label><input type="checkbox" name="listing-category" class="filter-term" data-filter-type="dinecategory" data-dinecategory-id="<?php echo $dine_term->term_id; ?>" data-term-id="<?php echo $dine_term->term_id; ?>" value="<?php echo $dine_term->slug; ?>"><?php echo $dine_term->name;?></label>

					<?php
					$dinecategory_subargs = array(
						'hierarchical'     => 1,
						'show_option_none' => '',
						'hide_empty'       => 0,
						'parent'           => $dine_term->term_id,
						'taxonomy'         => array( 'dinecategory' ),
					);
					$dinecategory_child_categories = get_categories( $dinecategory_subargs );

					if ( $dinecategory_child_categories ) {
						?>
						<ul class="is-active">
							<?php
							foreach ( $dinecategory_child_categories as $dinecategory_child_category ) :
								?>
								<li>
									<label><input type="checkbox" name="listing-category" class="filter-term" data-filter-type="dinecategory" data-dinecategory-id="<?php echo $dinecategory_child_category->term_id; ?>" data-term-id="<?php echo $dinecategory_child_category->term_id; ?>" value="<?php echo $dinecategory_child_category->slug; ?>"><?php echo $dinecategory_child_category->name; ?></label>
								</li>
								<?php
							endforeach;
							?>
						</ul>
						<?php
					}
					?>
				</li>

				<?php
			endforeach;
			?>

		</ul>
	</li>
</ul>