wp_get_term_taxonomy_parent_id()
Function: Returns the term’s parent’s term ID.
Source: wp-includes/taxonomy.php:4990
wp_check_term_hierarchy_for_loops()
Function: Checks the given subset of the term hierarchy for hierarchy loops.
Source: wp-includes/taxonomy.php:5011
get_categories()
Function: Retrieves a list of category objects.
Source: wp-includes/category.php:26
get_category()
Function: Retrieves category data given a category ID or category object.
Source: wp-includes/category.php:91
get_category_by_path()
Function: Retrieves a category based on URL containing the category slug.
Source: wp-includes/category.php:124
get_category_by_slug()
Function: Retrieves a category object by category slug.
Source: wp-includes/category.php:187
get_cat_ID()
Function: Retrieves the ID of a category from its name.
Source: wp-includes/category.php:205
get_cat_name()
Function: Retrieves the name of a category from its ID.
Source: wp-includes/category.php:223
cat_is_ancestor_of()
Function: Checks if a category is an ancestor of another category.
Source: wp-includes/category.php:246
sanitize_category()
Function: Sanitizes category data based on context.
Source: wp-includes/category.php:259