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Source View: register_meta_args

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Line Code
1183       * Filters the registration arguments when registering meta.
1184       *
1185       * @since 4.6.0
1186       *
1187       * @param array  $args        Array of meta registration arguments.
1188       * @param array  $defaults    Array of default arguments.
1189       * @param string $object_type Object type.
1190       * @param string $meta_key    Meta key.
1191       */
1192      $args = apply_filters( 'register_meta_args', $args, $defaults, $object_type, $meta_key );
1193      $args = wp_parse_args( $args, $defaults );
1194
1195      // Require an item schema when registering array meta.
1196      if ( false !== $args['show_in_rest'] && 'array' === $args['type'] ) {
1197           if ( ! is_array( $args['show_in_rest'] ) || ! isset( $args['show_in_rest']['schema']['items'] ) ) {
1198                _doing_it_wrong( __FUNCTION__, __( 'When registering an "array" meta type to show in the REST API, you must specify the schema for each array item in "show_in_rest.schema.items".' ), '5.3.0' );
1199
1200                return false;
1201           }