wp_ajax_get_tagcloud()

Source

function wp_ajax_get_tagcloud() {
	if ( ! isset( $_POST['tax'] ) ) {
		wp_die( 0 );
	}

	$taxonomy        = sanitize_key( $_POST['tax'] );
	$taxonomy_object = get_taxonomy( $taxonomy );

	if ( ! $taxonomy_object ) {
		wp_die( 0 );
	}

	if ( ! current_user_can( $taxonomy_object->cap->assign_terms ) ) {
		wp_die( -1 );
	}

	$tags = get_terms(
		array(
			'taxonomy' => $taxonomy,
			'number'   => 45,
			'orderby'  => 'count',
			'order'    => 'DESC',
		)
	);

	if ( empty( $tags ) ) {
		wp_die( $taxonomy_object->labels->not_found );
	}

	if ( is_wp_error( $tags ) ) {
		wp_die( $tags->get_error_message() );
	}

	foreach ( $tags as $key => $tag ) {
		$tags[ $key ]->link = '#';
		$tags[ $key ]->id   = $tag->term_id;
	}

	// We need raw tag names here, so don't filter the output.
	$return = wp_generate_tag_cloud(
		$tags,
		array(
			'filter' => 0,
			'format' => 'list',
		)
	);

	if ( empty( $return ) ) {
		wp_die( 0 );
	}

	echo $return;
	wp_die();
}

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