is_taxonomy_hierarchical()
Function: Determines whether the taxonomy object is hierarchical.
Source: wp-includes/taxonomy.php:413
register_taxonomy()
Function: Creates or modifies a taxonomy object.
Source: wp-includes/taxonomy.php:532
registered_taxonomy
Action Hook: Fires after a taxonomy is registered.
Source: wp-includes/taxonomy.php:584
unregister_taxonomy()
Function: Unregisters a taxonomy.
Source: wp-includes/taxonomy.php:619
unregistered_taxonomy
Action Hook: Fires after a taxonomy is unregistered.
Source: wp-includes/taxonomy.php:646
get_taxonomy_labels()
Function: Builds an object with all taxonomy labels out of a taxonomy object.
Source: wp-includes/taxonomy.php:715
taxonomy_labels_{$taxonomy}
Filter Hook: Filters the labels of a specific taxonomy.
Source: wp-includes/taxonomy.php:752
register_taxonomy_for_object_type()
Function: Adds an already registered taxonomy to an object type.
Source: wp-includes/taxonomy.php:771