src/Message.php
public function params( /*...*/ ) {
		$args = func_get_args();
		if ( isset( $args[0] ) && is_array( $args[0] ) ) {
			$args = $args[0];
		}
		$values = array_values( $args );
		$this->params = array_merge( $this->params, $values );
		return $this;
	}
public function params( /*...*/ ) {
		$args = func_get_args();
		if ( isset( $args[0] ) && is_array( $args[0] ) ) {
			$args = $args[0];
		}
		$values = array_values( $args );
		$this->params = array_merge( $this->params, $values );
		return $this;
	}
Add parameters to the paramter list of this message.

@param mixed $params,... Parameters as strings or a single argument that
is an array of strings.

@return Message Self