WP_REST_Request::offsetUnset( string $offset )

Source

File: wp-includes/rest-api/class-wp-rest-request.php

public function offsetUnset( $offset ) {
		$order = $this->get_parameter_order();

		// Remove the offset from every group.
		foreach ( $order as $type ) {
			unset( $this->params[ $type ][ $offset ] );
		}
	}