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register_taxonomy › WordPress Function
Since2.3.0
Deprecatedn/a
› register_taxonomy ( $taxonomy, $object_type, $args = array() )
Parameters: (3) |
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Returns: |
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Defined at: |
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Creates or modifies a taxonomy object.
Note: Do not use before the {@see 'init'} hook. A simple function for creating or modifying a taxonomy object based on the parameters given. If modifying an existing taxonomy object, note that the$object_type
value from the original registration will be
overwritten.Related Functions: unregister_taxonomy, is_taxonomy, get_taxonomy, register_meta, register_taxonomy_for_object_type
Source
function register_taxonomy( $taxonomy, $object_type, $args = array() ) { global $wp_taxonomies; if ( ! is_array( $wp_taxonomies ) ) { $wp_taxonomies = array(); } $args = wp_parse_args( $args ); if ( empty( $taxonomy ) || strlen( $taxonomy ) > 32 ) { _doing_it_wrong( __FUNCTION__, __( 'Taxonomy names must be between 1 and 32 characters in length.' ), '4.2.0' ); return new WP_Error( 'taxonomy_length_invalid', __( 'Taxonomy names must be between 1 and 32 characters in length.' ) ); } $taxonomy_object = new WP_Taxonomy( $taxonomy, $object_type, $args ); $taxonomy_object->add_rewrite_rules(); $wp_taxonomies[ $taxonomy ] = $taxonomy_object; $taxonomy_object->add_hooks(); // Add default term. if ( ! empty( $taxonomy_object->default_term ) ) { $term = term_exists( $taxonomy_object->default_term['name'], $taxonomy ); if ( $term ) { update_option( 'default_term_' . $taxonomy_object->name, $term['term_id'] ); } else { $term = wp_insert_term( $taxonomy_object->default_term['name'], $taxonomy, array( 'slug' => sanitize_title( $taxonomy_object->default_term['slug'] ), 'description' => $taxonomy_object->default_term['description'], ) ); // Update `term_id` in options. if ( ! is_wp_error( $term ) ) { update_option( 'default_term_' . $taxonomy_object->name, $term['term_id'] ); } } } /** * Fires after a taxonomy is registered. * * @since 3.3.0 * * @param string $taxonomy Taxonomy slug. * @param array|string $object_type Object type or array of object types. * @param array $args Array of taxonomy registration arguments. */ do_action( 'registered_taxonomy', $taxonomy, $object_type, (array) $taxonomy_object ); /** * Fires after a specific taxonomy is registered. * * The dynamic portion of the filter name, `$taxonomy`, refers to the taxonomy key. * * Possible hook names include: * * - `registered_taxonomy_category` * - `registered_taxonomy_post_tag` * * @since 6.0.0 * * @param string $taxonomy Taxonomy slug. * @param array|string $object_type Object type or array of object types. * @param array $args Array of taxonomy registration arguments. */ do_action( "registered_taxonomy_{$taxonomy}", $taxonomy, $object_type, (array) $taxonomy_object ); return $taxonomy_object; }