php通过foreach遍历对象
php通过foreach遍历对象案例代码：<?php
class Student {
public $name='tom';
protected $sex='男';
private $age=22;
public function show() {
foreach($this as $k=>$v) {
echo "{$k}-{$v}<br>";
}
}
}
//测试
$stu=new Student;
foreach($stu as $k=>$v) {
echo "{$k}-{$v}<br>";
}
echo '<hr>';
$stu->show();代码运行输出结果：
name-tom
name-tom
sex-男
age-22结论：遍历到当前位置所能访问到属性
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