wp_count_terms() WP 1.0

Count how many terms are in Taxonomy.

Default $args is 'hide_empty' which can be 'hide_empty=true' or array('hide_empty' => true).

No Hooks.

Return

Array/Int/WP_Error. Number of terms in that taxonomy or WP_Error if the taxonomy does not exist.

Usage

wp_count_terms( $taxonomy, $args );

$taxonomy(string) (required)

Taxonomy name.

$args(array/string)

Array of arguments that get passed to get_terms().
Default: empty array

Code of wp count terms: wp-includes/taxonomy.php ^{WP 5.2.1}

<?php
function wp_count_terms( $taxonomy, $args = array() ) {
	$defaults = array( 'hide_empty' => false );
	$args     = wp_parse_args( $args, $defaults );

	// backward compatibility
	if ( isset( $args['ignore_empty'] ) ) {
		$args['hide_empty'] = $args['ignore_empty'];
		unset( $args['ignore_empty'] );
	}

	$args['fields'] = 'count';

	return get_terms( $taxonomy, $args );
}

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