WP_REST_Meta_Fields::update_meta_value( int $object_id, string $meta_key, string $name, mixed $value )

Updates a meta value for an object.


Description Description


Parameters Parameters

$object_id

(int) (Required) Object ID to update.

$meta_key

(string) (Required) Key for the custom field.

$name

(string) (Required) Name for the field that is exposed in the REST API.

$value

(mixed) (Required) Updated value.


Top ↑

Return Return

(bool|WP_Error) True if the meta field was updated, WP_Error otherwise.


Top ↑

Source Source

File: wp-includes/rest-api/fields/class-wp-rest-meta-fields.php

	protected function update_meta_value( $object_id, $meta_key, $name, $value ) {
		$meta_type = $this->get_meta_type();
		if ( ! current_user_can(  "edit_{$meta_type}_meta", $object_id, $meta_key ) ) {
			return new WP_Error(
				'rest_cannot_update',
				/* translators: %s: custom field key */
				sprintf( __( 'Sorry, you are not allowed to edit the %s custom field.' ), $name ),
				array( 'key' => $name, 'status' => rest_authorization_required_code() )
			);
		}

		$meta_key   = wp_slash( $meta_key );
		$meta_value = wp_slash( $value );

		// Do the exact same check for a duplicate value as in update_metadata() to avoid update_metadata() returning false.
		$old_value = get_metadata( $meta_type, $object_id, $meta_key );

		if ( 1 === count( $old_value ) ) {
			if ( $old_value[0] === $meta_value ) {
				return true;
			}
		}

		if ( ! update_metadata( $meta_type, $object_id, $meta_key, $meta_value ) ) {
			return new WP_Error(
				'rest_meta_database_error',
				__( 'Could not update meta value in database.' ),
				array( 'key' => $name, 'status' => WP_Http::INTERNAL_SERVER_ERROR )
			);
		}

		return true;
	}

Top ↑

Changelog Changelog

Changelog
Version Description
4.7.0 Introduced.


Top ↑

User Contributed Notes User Contributed Notes

You must log in before being able to contribute a note or feedback.