A simple example of php initialization object and destructor_PHP tutorial

Copy code The code is as follows:

/**************************************************
* __construct object Use of initialization function
* destruct Use of destructor
* Use of $this keyword ($this keyword is a system variable used to access object properties and object * methods in the current object)
*
*************************************************/
header(" Content-Type:text/html;charset=UTF-8");
class mypc{
public $name;
public $type;

function __construct($name='' ,$type=''){ //Initialize the object, put the initialization value in brackets
$this->name=$name;
$this->type=$type;

}
function vod(){
return $this->name.$this->type.'Play movie';
}
function game(){
return $this->name.$this->type.'Play games';
}
/************************
* When the operation inside the object is completed,
* __destruct() is called,
* Then the memory used by the object is released. Rules: Last in, first out
*******************************/
function __destruct(){
echo "name;
}
}

$pc1 = new mypc('Home Computer',' Desktop');
echo $pc1->vod()."
";
//When $pc1=null;, the object is released directly after the current instance operation is completed
$pic2 = new mypc('company computer','notebook');
echo $pic2->game();

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