PHP入门(1) for循环

<?php    $x = $_GET['name'];    echo $x;    for($i =$x;$i<100;$i++)    {        echo $i,"<br>";    }    $TmpArray = ["A","B","C","D"];    foreach($TmpArray as $i)    {        echo $i . "<br>";    }?>

foreach循环迭代数组,跟常见的用法不一样,C++中
foreach (零时变量 in array)
php:
foreach (array as 零时变量)