作业1

<?php//file1
  namespace Myproject\file1;
  function foo(){
      echo "this is myproject file1\n";
}

class demo{
    const NUMBER=1;
    public function show_number(){
        echo self::NUMBER."\n";
    }
}

<?php//file2
namespace Myproject\file2;
function foo(){
    echo "this is myproject file2\n";
}

class demo{
    const NUMBER=2;
    public function show_number(){
        echo self::NUMBER."\n";
    }
}

<?php//file3
namespace Myproject\file3;
function foo(){
    echo "this is myproject file3\n";
}

class demo{
    const NUMBER=3;
    public function show_number(){
        echo self::NUMBER."\n";
    }
}

<?php//main.php
require_once("file1.php");
require_once("file2.php");
require_once("file3.php");

use function Myproject\file1\foo as foo1;
use function Myproject\file2\foo as foo2;
use function Myproject\file3\foo as foo3;

foo1();
foo2();
foo3();

use Myproject\file1\demo as demo1;
use Myproject\file2\demo as demo2;
use Myproject\file3\demo as demo3;

$demo1 = new demo1();
echo demo1::NUMBER."\n";

$demo2 = new demo2();
demo2::show_number();

$demo3 = new demo3();
demo3::show_number();

作业1结果截图

twthomework1.PNG

作业2

<?php//people.php
class People{
    private $name;
    private $age;
    private $height;
    private $weight;
    private $hobby;
    public static $currentNumber=0;
    const MAXNUMBER = 10;

    public function __construct(string $name,int $age,float $height,float $weight,array $hobby){
        if($currentNumber<MAXNUMBER)
        {
            echo "a people has been created.\n";
            echo $name." ".$age." ".$height." ".$weight." ";
            foreach ($hobby as $key => $value) {
                echo $value." ";
            }
            echo "\n";
            self::$currentNumber++;
        }
        else
        {
            echo "cannot create this people.\n";
        }
    }
    public function speak(string $method){
        echo $method."\n";
    }
    public function eat(){
        $this->speak(__METHOD__);
        $weight++;
    }
    public function haveBirthday(){
        $this->speak(__METHOD__);
        $age++;
    }
    public function sleep(){
        $this->speak(__METHOD__);
        $height++;
    }
    public function walk(){
        $this->speak(__METHOD__);
        $weight--;
    }
    public function swim(){
        $this->speak(__METHOD__);
        $weight--;
    }
    public function run(){
        $this->speak(__METHOD__);
        $weight--;
    }
    public function __destruct(){
        echo "a people has been killed\n";
        $currentNumber--;
    }
}

<?php//main.php
require_once("people.php");

$hobby=array("guitar","code");

$person=new people("2huan",18,180.000,90.000,$hobby);

$person->eat();
$person->haveBirthday();
$person->sleep();
$person->walk();
$person->swim();
$person->run();

作业2结果截图

twthomeowrk2.PNG