PHP doprint 예제들

예제 #1

파일: interface.php 프로젝트: ZSShang/mylearn

<?php

header("Content-type:text/html;charset=utf8");
interface employee
{
    public function working();
}
class teacher implements employee
{
    public function working()
    {
        echo '教书';
    }
}
class coder implements employee
{
    public function working()
    {
        echo '敲代码';
    }
}
function doprint(employee $i)
{
    $i->working();
}
$a = new teacher();
$b = new coder();
doprint($a);
echo '<br>';
doprint($b);

예제 #2

파일: polymorphism.php 프로젝트: ZSShang/mylearn

        echo '本方法需要重载才能运行';
    }
}
class teacher extends employee
{
    public function working()
    {
        echo '教书';
    }
}
class coder extends employee
{
    public function working()
    {
        echo '敲代码';
    }
}
function doprint($obj)
{
    if (get_class($obj) == 'employee') {
        echo 'Error';
    } else {
        $obj->working();
    }
}
doprint(new teacher());
echo '<br>';
doprint(new coder());
echo '<br>';
doprint(new employee());