WP_REST_Terms_Controller::create_item( WP_REST_Request $request ): WP_REST_Response|WP_Error

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public function create_item( $request ) {	if ( isset( $request['parent'] ) ) {	if ( ! is_taxonomy_hierarchical( $this->taxonomy ) ) {	return new WP_Error(	'rest_taxonomy_not_hierarchical',	__( 'Cannot set parent term, taxonomy is not hierarchical.' ),	array( 'status' => 400 )	);	}	$parent = get_term( (int) $request['parent'], $this->taxonomy );	if ( ! $parent ) {	return new WP_Error(	'rest_term_invalid',	__( 'Parent term does not exist.' ),	array( 'status' => 400 )	);	}	}	$prepared_term = $this->prepare_item_for_database( $request );	$term = wp_insert_term( wp_slash( $prepared_term->name ), $this->taxonomy, wp_slash( (array) $prepared_term ) );	if ( is_wp_error( $term ) ) {	/* * If we're going to inform the client that the term already exists, * give them the identifier for future use. */	$term_id = $term->get_error_data( 'term_exists' );	if ( $term_id ) {	$existing_term = get_term( $term_id, $this->taxonomy );	$term->add_data( $existing_term->term_id, 'term_exists' );	$term->add_data(	array(	'status' => 400,	'term_id' => $term_id,	)	);	}	return $term;	}	$term = get_term( $term['term_id'], $this->taxonomy );	/** * Fires after a single term is created or updated via the REST API. * * The dynamic portion of the hook name, `$this->taxonomy`, refers to the taxonomy slug. * * Possible hook names include: * * - `rest_insert_category` * - `rest_insert_post_tag` * * @since 4.7.0 * * @param WP_Term $term Inserted or updated term object. * @param WP_REST_Request $request Request object. * @param bool $creating True when creating a term, false when updating. */	do_action( "rest_insert_{$this->taxonomy}", $term, $request, true );	$schema = $this->get_item_schema();	if ( ! empty( $schema['properties']['meta'] ) && isset( $request['meta'] ) ) {	$meta_update = $this->meta->update_value( $request['meta'], $term->term_id );	if ( is_wp_error( $meta_update ) ) {	return $meta_update;	}	}	$fields_update = $this->update_additional_fields_for_object( $term, $request );	if ( is_wp_error( $fields_update ) ) {	return $fields_update;	}	$request->set_param( 'context', 'edit' );	/** * Fires after a single term is completely created or updated via the REST API. * * The dynamic portion of the hook name, `$this->taxonomy`, refers to the taxonomy slug. * * Possible hook names include: * * - `rest_after_insert_category` * - `rest_after_insert_post_tag` * * @since 5.0.0 * * @param WP_Term $term Inserted or updated term object. * @param WP_REST_Request $request Request object. * @param bool $creating True when creating a term, false when updating. */	do_action( "rest_after_insert_{$this->taxonomy}", $term, $request, true );	$response = $this->prepare_item_for_response( $term, $request );	$response = rest_ensure_response( $response );	$response->set_status( 201 );	$response->header( 'Location', rest_url( $this->namespace . '/' . $this->rest_base . '/' . $term->term_id ) );	return $response; } 

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