Quick dump of all tags and categories into a table with their name, slug, and count (in descending order of count)

dump_tags_and_categories.php

<?php
		$args = array(
		    'orderby'           => 'count', 
		    'order'             => 'DESC',
		    'hide_empty'        => true, 
		    'exclude'           => array(), 
		    'exclude_tree'      => array(), 
		    'include'           => array(),
		    'number'            => '', 
		    'fields'            => 'all', 
		    'slug'              => '',
		    'parent'            => '',
		    'hierarchical'      => true, 
		    'child_of'          => 0,
		    'childless'         => false,
		    'get'               => '', 
		    'name__like'        => '',
		    'description__like' => '',
		    'pad_counts'        => false, 
		    'offset'            => '', 
		    'search'            => '', 
		    'cache_domain'      => 'core'
		);
		$terms = get_terms(array('category'), $args);
		echo "<h3>Categories</h3>";
		echo '<table style="width: 100%;">';
		foreach ($terms as $term) {
			echo '<tr>';
			echo '<td>'.$term->name.'</td>
				<td>'.$term->slug.'</td>
				<td>'.$term->count.'</td>
				</tr>';
		}
		echo '</table><hr>';
		$terms = get_terms(array('post_tag'), $args);
		echo "<h3>Post Tag</h3>";
		echo '<table style="width: 100%;">';
		foreach ($terms as $term) {
			echo '<tr>';
			echo '<td>'.$term->name.'</td>
				<td>'.$term->slug.'</td>
				<td>'.$term->count.'</td>
			</tr>';
		}
		echo '</table>';
?>