[WordPress] Template to retrieve the terms in a taxonomy

archive-post_type.php

<?php
/**
 * Template to retrieve the terms in a taxonomy
 * @link http://codex.wordpress.org/Function_Reference/get_terms
 */

$terms = get_terms( 'section' );

echo '<ul>';

foreach ( $terms as $term ) {

	$term_url  = get_term_link( $term, $term->taxonomy );

	if ( function_exists( 'get_tax_meta' ) ) {
		// function from Tax meta class for creating WordPress taxonomies custom fields
		$term_image = get_tax_meta( $term->term_id, 'tax_image' );
	}

	if ( ! empty( $term_image ) ) {
		$image = wp_get_attachment_image( $term_image['id'], 'thumbnail' );
	} else {
		$image = '<img src="placeholder.jpg" alt="placeholder">';
	}

	echo '<li>';

	echo '<p>';
	echo '<a href="' . esc_url( $term_url ) . '">' . $image . '</a>';
	echo '</p>';

	echo '<h3><a href="' . esc_url( $term_url ) . '">' . esc_html( $term->name ) . '</a></h3>'; ?>

	<?php echo '<p>' . esc_html( nl2br( $term->description ) ) . '</p>';

	echo '</li>';

}

echo '</ul>';