<?php

header('Content-type:text/plain; charset=utf-8;');

class ModelAbstract
{
	public function __call($name, $arguments)
	{
		$prefix = substr($name, 0, 3);
		$column_name = strtolower(str_replace(' ', '_', preg_replace('/(?!^)[A-Z]{2,}(?=[A-Z][a-z])|[A-Z][a-z]/', ' $0', substr($name, 3))));
		if ($prefix == 'get')
		{
			// getter
			return $this->$column_name;
		}else if($prefix == 'set'){
			// setter
			$this->$column_name = $arguments[0];
			return $this;
		}
	}
}

class User extends ModelAbstract
{
	protected $_id = 0;
	protected $_username = '';
	protected $_password = '';
}

class UserNormal
{
	private $id = 0;
	private $username = '';
	private $password = '';

	public function setId($value)
	{
		$this->id = $value;
		return $this;
	}

	public function getId()
	{
		return $this->id;
	}

	public function setUsername($value)
	{
		$this->username = $value;
		return $this;
	}

	public function getUsername()
	{
		return $this->username;
	}

	public function setPassword($value)
	{
		$this->password = $value;
		return $this;
	}

	public function getPassword()
	{
		return $this->password;
	}
}

$_s = microtime(true);
for($i=0;$i<10;$i++)
{
	$user_model = new User();
	$user_model->setUsername('username')
		->setPassword('password');
}
$_e = microtime(true);

echo number_format(($_e - $_s), 5)." second\n\n";


$_s = microtime(true);
for($i=0;$i<10;$i++)
{
	$user_model = new UserNormal();
	$user_model->setUsername('username')
		->setPassword('password');
}
$_e = microtime(true);

echo number_format(($_e - $_s), 5)." second";