Terminating a session early

BaseAction.php

<?php

class BaseAction
{
	protected $close_session = true;
	
	public function __construct()
	{
		session_start();
		if($this->close_session)) {
			session_write_close();
		}
	}
	
	// ..
}

SomeAction.php

<?php

class SomeAction
{
	protected $close_session = false;
	
	// ..
}