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Description

Counts how many terms are in taxonomy.

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

Usage

$string|WP_Error = wp_count_terms( $args, $deprecated );

Parameters

$args

( array|string ) optional – Optional. Array or string of arguments. See WP_Term_Query::__construct() for information on accepted arguments. Default empty array.

$deprecated

( array|string ) optional – Optional. Argument array, when using the legacy function parameter format. If present, this parameter will be interpreted as `$args`, and the first function parameter will be parsed as a taxonomy or array of taxonomies. Default empty.

Returns

string|WP_Error Numeric string containing the number of terms in that taxonomy or WP_Error if the taxonomy does not exist.

Source

File name: wordpress/wp-includes/taxonomy.php
Lines:

function wp_count_terms( $args = array(), $deprecated = '' ) {
  $use_legacy_args = false;

  // Check whether function is used with legacy signature: `$taxonomy` and `$args`.
  if ( $args
    && ( is_string( $args ) && taxonomy_exists( $args )
      || is_array( $args ) && wp_is_numeric_array( $args ) )
  ) {
    $use_legacy_args = true;
  }

  $defaults = array( 'hide_empty' => false );

  if ( $use_legacy_args ) {
    $defaults['taxonomy'] = $args;
    $args                 = $deprecated;
  }

  $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( $args );
}
 

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