PHP试题.doc

看一下代码( C)
<?php
$test=”Hi PHP!”;
$b=$_GET[‘test’];
echo $b;
?>
程序将输出什么( )
A : Hi PHP! B: test C: 什么都不输出 D:程序出错
现有一手推车类程序()其中包含有一添加物品的方法(add_item),下面那个选项可以正确使用方法add_item
<?php
class Cart {
var $items;
function add_item ($artnr, $num) {
$this -> items[$artnr] += $num;
}
}
?>
<?php
require("");
$cart = new Cart;
$("10", 1);
?>
B. <?php
require();
$cart = new Cart();
$cart:: $add_item ("10", 1)
?>
C. <?php
require("");
$cart = new Cart();
$cart::add_item ("10", 1);
?>
D. <?php
include ("");
$cart = new Cart();
$cart -> add_item ("10", 1);
?>
关于以下代码,执行结果正确的是:
<?php
$link = mysql_connect("localhost", "mysql_user", "mysql_password") or die("Could not connect: " . mysql_error());
$result = mysql_query("SELECT name FROM ") or die("Could not query: . mysql_error());
echo mysql_result($result,2);
mysql_close($link);
?>
A. 打印第二个雇员的名字
B. 打印第三个雇员的名字
C. 报错,mysql_result()函数中缺少字段名称字符串
D. 报错,在mysql_query前没有mysql_select_db过
以下代码,执行结果是:
<?php
$link = mysql_connect("localhost", "mysql_user", "mysql_password") or die("Could not connect: " . mysql_error());
$result = mysql_query("SELECT username as un,userage as age FROM ") or die("Could not query: . mysql_error());
echo mysql_result($result,2,"username");
echo mysql_result($