WordPress Version: 4.5
/**
* Prints a category with optional text before and after.
*
* @since 0.71
* @deprecated 0.71 Use get_the_category_by_ID()
* @see get_the_category_by_ID()
*
* @param string $before Optional. Text to display before the category. Default empty.
* @param string $after Optional. Text to display after the category. Default empty.
*/
function the_category_head($before = '', $after = '')
{
global $currentcat, $previouscat;
_deprecated_function(__FUNCTION__, '0.71', 'get_the_category_by_ID()');
// Grab the first cat in the list.
$categories = get_the_category();
$currentcat = $categories[0]->category_id;
if ($currentcat != $previouscat) {
echo $before;
echo get_the_category_by_ID($currentcat);
echo $after;
$previouscat = $currentcat;
}
}