<?php

$start=memory_get_usage();
if(true) {
	class A {
		private $field0=NULL;
		private $field1=NULL;
		private $field2=NULL;
		private $field3=NULL;
		private $field4=NULL;
		private $field5=NULL;
		private $field6=NULL;
		private $field7=NULL;
		private $field8=NULL;
		private $field9=NULL;
		private $field10=NULL;
		private $field11=NULL;
		private $field12=NULL;
		private $field13=NULL;
		private $field14=NULL;
		private $field15=NULL;
		private $field16=NULL;
		private $field17=NULL;
		private $field18=NULL;
		private $field19=NULL;
		private $field20=NULL;
		private $field21=NULL;
		private $field22=NULL;
		private $field23=NULL;
		private $field24=NULL;
		private $field25=NULL;
		private $field26=NULL;
		private $field27=NULL;
		private $field28=NULL;
		private $field29=NULL;
		private $field30=NULL;
		private $field31=NULL;
		private $field32=NULL;
		private $field33=NULL;
		private $field34=NULL;
		private $field35=NULL;
		private $field36=NULL;
		private $field37=NULL;
		private $field38=NULL;
		private $field39=NULL;
		private $field40=NULL;
		private $field41=NULL;
		private $field42=NULL;
		private $field43=NULL;
		private $field44=NULL;
		private $field45=NULL;
		private $field46=NULL;
		private $field47=NULL;
		private $field48=NULL;
		private $field49=NULL;
	}
}
$end=memory_get_usage();

echo ($end-$start).PHP_EOL;


$start=memory_get_usage();
$a=new A();
$end=memory_get_usage();

echo ($end-$start).PHP_EOL;

$start=memory_get_usage();
$a1=new A();
$a2=new A();
$a3=new A();
$a4=new A();
$a5=new A();
$a6=new A();
$a7=new A();
$a8=new A();
$a9=new A();
$a0=new A();
$end=memory_get_usage();

echo ($end-$start).PHP_EOL;

$start=memory_get_usage();
if(true) {
	class B {
		private $arr=array(
			'field0'=>NULL,
			'field1'=>NULL,
			'field2'=>NULL,
			'field3'=>NULL,
			'field4'=>NULL,
			'field5'=>NULL,
			'field6'=>NULL,
			'field7'=>NULL,
			'field8'=>NULL,
			'field9'=>NULL,
			'field10'=>NULL,
			'field11'=>NULL,
			'field12'=>NULL,
			'field13'=>NULL,
			'field14'=>NULL,
			'field15'=>NULL,
			'field16'=>NULL,
			'field17'=>NULL,
			'field18'=>NULL,
			'field19'=>NULL,
			'field20'=>NULL,
			'field21'=>NULL,
			'field22'=>NULL,
			'field23'=>NULL,
			'field24'=>NULL,
			'field25'=>NULL,
			'field26'=>NULL,
			'field27'=>NULL,
			'field28'=>NULL,
			'field29'=>NULL,
			'field30'=>NULL,
			'field31'=>NULL,
			'field32'=>NULL,
			'field33'=>NULL,
			'field34'=>NULL,
			'field35'=>NULL,
			'field36'=>NULL,
			'field37'=>NULL,
			'field38'=>NULL,
			'field39'=>NULL,
			'field40'=>NULL,
			'field41'=>NULL,
			'field42'=>NULL,
			'field43'=>NULL,
			'field44'=>NULL,
			'field45'=>NULL,
			'field46'=>NULL,
			'field47'=>NULL,
			'field48'=>NULL,
			'field49'=>NULL
		);
	}
}
$end=memory_get_usage();

echo ($end-$start).PHP_EOL;


$start=memory_get_usage();
$b=new B();
$end=memory_get_usage();

echo ($end-$start).PHP_EOL;


$start=memory_get_usage();
$b1=new B();
$b2=new B();
$b3=new B();
$b4=new B();
$b5=new B();
$b6=new B();
$b7=new B();
$b8=new B();
$b9=new B();
$b0=new B();
$end=memory_get_usage();

echo ($end-$start).PHP_EOL;