src/Store.php
public function set_id( $id ) {
		$this->id = $this->is_valid_id( $id ) ? $id : $this->generate_session_id();
	}
public function set_id( $id ) {
		$this->id = $this->is_valid_id( $id ) ? $id : $this->generate_session_id();
	}
public function set_id ( $ id ) { $ this -> id = $ this -> is_valid_id ( $ id ) ? $ id : $ this -> generate_session_id ( ) ; }
Set the session ID.

@param  string $id A valid session ID.
@return void
Set the session ID .