constant TAXONOMY_HIERARCHY_SINGLE

Denotes that one or more terms in the vocabulary has a single parent.

3 uses of TAXONOMY_HIERARCHY_SINGLE

taxonomy_check_vocabulary_hierarchy in core/modules/taxonomy/taxonomy.module: Checks and updates the hierarchy flag of a vocabulary.
taxonomy_form_term_submit in core/modules/taxonomy/taxonomy.admin.inc: Submit handler to insert or update a term.
taxonomy_overview_terms_submit in core/modules/taxonomy/taxonomy.admin.inc: Submit handler for terms overview form.

File

core/modules/taxonomy/taxonomy.module, line 15: Enables the organization of content into categories.

Code

define('TAXONOMY_HIERARCHY_SINGLE', 1)