get_categories()

function get_categories( $args = '' ) {
	$defaults = array( 'taxonomy' => 'category' );
	$args     = gc_parse_args( $args, $defaults );

	/**
	 * Filters the taxonomy used to retrieve terms when calling get_categories().
	 *
	 * @since 2.7.0
	 *
	 * @param string $taxonomy Taxonomy to retrieve terms from.
	 * @param array  $args     An array of arguments. See get_terms().
	 */
	$args['taxonomy'] = apply_filters( 'get_categories_taxonomy', $args['taxonomy'], $args );

	// Back compat.
	if ( isset( $args['type'] ) && 'link' === $args['type'] ) {
		_deprecated_argument(
			__FUNCTION__,
			'3.0.0',
			sprintf(
				/* translators: 1: "type => link", 2: "taxonomy => link_category" */
				__( '%1$s is deprecated. Use %2$s instead.' ),
				'<code>type => link</code>',
				'<code>taxonomy => link_category</code>'
			)
		);
		$args['taxonomy'] = 'link_category';
	}

	$categories = get_terms( $args );

	if ( is_gc_error( $categories ) ) {
		$categories = array();
	} else {
		$categories = (array) $categories;
		foreach ( array_keys( $categories ) as $k ) {
			_make_cat_compat( $categories[ $k ] );
		}
	}

	return $categories;
}

<?php
$categories = get_categories( array(
	'orderby' => 'name',
	'order'   => 'ASC'
) );

foreach( $categories as $category ) {
	$category_link = sprintf( 
		'<a href="https://docs.gechiui.com/functions/get_categories/%1$s" alt="%2$s">%3$s</a>',
		esc_url( get_category_link( $category->term_id ) ),
		esc_attr( sprintf( __( 'View all posts in %s', 'textdomain' ), $category->name ) ),
		esc_html( $category->name )
	);
	
	echo '<p>' . sprintf( esc_html__( 'Category: %s', 'textdomain' ), $category_link ) . '</p> ';
	echo '<p>' . sprintf( esc_html__( 'Description: %s', 'textdomain' ), $category->description ) . '</p>';
	echo '<p>' . sprintf( esc_html__( 'Post Count: %s', 'textdomain' ), $category->count ) . '</p>';
} 

<div class="category-menu-container">

			<ul class="category-menu">
				<li class="unstyled">
					<h4 class="category-menu-heading">
						<?php echo get_cat_name( $category_id = 130 );?>
					</h4>
				</li>
				<?php 
				$categories = get_categories( array(
					'orderby' => 'name',
					'order'   => 'ASC',
					'parent'  => 130,
				) );

				foreach( $categories as $category ) {
					$category_link = sprintf( 
						'<a href="https://docs.gechiui.com/functions/get_categories/%1$s" alt="%2$s">%3$s</a>',
						esc_url( get_category_link( $category->term_id ) ),
						esc_attr( sprintf( __( 'View all posts in %s', 'textdomain' ), $category->name ) ),
						esc_html( $category->name )
					);

					echo '<p>' . sprintf( esc_html__( '%s', 'textdomain' ), $category_link ) . '</p> ';
				}
				?>
			</ul>

		</div>

<select name="event-dropdown"> 
	<option value=""><?php echo esc_attr_e( 'Select Event', 'textdomain' ); ?></option> 
	<?php 
	$categories = get_categories( array( 'child_of' => 10 ) ); 
	foreach ( $categories as $category ) {
		printf( '<option value="%1$s">%2$s (%3$s)</option>',
			esc_attr( '/category/archives/' . $category->category_nicename ),
			esc_html( $category->cat_name ),
			esc_html( $category->category_count )
		);
  	}
 	?>
</select>