PHP面向对象语法3序列化+反序列化+构造+析构（系列篇）

<?php
header('Content-Type:text/html;charset=utf-8');

class Humanity {
	public $name;
	public $sex;
	public $iq=10;
	const BIRTHPLACE='地球';
	public function eat($food){
		echo "{$this->name}正在吃{$food}！";
	}
}
$hanMM=new Humanity();
$hanMM->name='韩梅梅';
$hanMM->sex='女';

//对象的序列化 ，对象转换成 字符串！
echo serialize($hanMM);

<?php
header('Content-Type:text/html;charset=utf-8');

class Humanity {
	public $name;
	public $sex;
	public $iq=10;
	const BIRTHPLACE='地球';
	public function eat($food){
		echo "{$this->name}正在吃{$food}！";
	}
}
$hanMM=new Humanity();
$hanMM->name='韩梅梅';
$hanMM->sex='女';

//对象的序列化 ，对象转换成 字符串！
$a='O:8:"Humanity":3:{s:4:"name";s:9:"韩梅梅";s:3:"sex";s:3:"女";s:2:"iq";i:10;}';
$asa=unserialize($a);
$asa->eat("鸡肉");

<?php
header('Content-Type:text/html;charset=utf-8');

class Humanity {
	public $name;
	public $sex;
	public $iq=10;
	const BIRTHPLACE='地球';
	//构造函数
	public function __construct($name,$sex){
		$this->name=$name;
		$this->sex=$sex;
	}
	public function eat($food){
		echo "{$this->name}正在吃{$food}！";
	}
	//这个函数在该类的实例被销毁时自动调用
	public function __destruct(){
		echo "<p>{$this->name}被销毁啦！</p>";
	}
}
$hanMM=new Humanity('韩梅梅','女');
echo $hanMM->name;

$zhaoKuangYing=new Humanity('赵匡胤','男');
echo $zhaoKuangYing->name;
//手动销毁对象
unset($hanMM);