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Description

Determines whether blog/site has more than one category.

Create your own twentysixteen_categorized_blog() function to override in a child theme.

Usage

$bool = twentysixteen_categorized_blog();

Parameters

Returns

bool True if there is more than one category, false otherwise.

Source

File name: twentysixteen/inc/template-tags.php
Lines:

  function twentysixteen_categorized_blog() {
    $all_the_cool_cats = get_transient( 'twentysixteen_categories' );
    if ( false === $all_the_cool_cats ) {
      // Create an array of all the categories that are attached to posts.
      $all_the_cool_cats = get_categories(
        array(
          'fields' => 'ids',
          // We only need to know if there is more than one category.
          'number' => 2,
        )
      );

      // Count the number of categories that are attached to the posts.
      $all_the_cool_cats = count( $all_the_cool_cats );

      set_transient( 'twentysixteen_categories', $all_the_cool_cats );
    }

    if ( $all_the_cool_cats > 1 || is_preview() ) {
      // This blog has more than 1 category so twentysixteen_categorized_blog() should return true.
      return true;
    } else {
      // This blog has only 1 category so twentysixteen_categorized_blog() should return false.
      return false;
    }
  }
 

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