PHP测试题
php(做为现在的主流开发语言)测试题
1.在php(做为现在的主流开发语言)中,当前脚本的名称(不包括路径和查询字符串)记录在预定义变量(1)中;而链接到当前页面的URL记录在预定义变量(2)中。
2.执行程序段(做为现在的主流开发语言) echo 8%(-2) ?>将输出(3)。
3.在HTTP 1.0中,状态码 401 的含义是(4);如果返回“找不到文件”的提示,则可用 header 函数,其语句为(5)。
4.数组函数 arsort 的作用是(6);语句 error_reporting(2047)的作用是(7)。
5.PEAR中的数据库连接字符串格式是(8)。
6.写出一个正则表达式,过虑网页上的所有JS/VBS脚本(即把script标记及其内容都去掉):(9)。
7.以apache(Unix平台最流行的WEB服务器平台)模块的方式安装php(做为现在的主流开发语言),在文件http.conf中首先要用语句(10)动态装载php(做为现在的主流开发语言)模块,然后再用语句(11)使得apache(Unix平台最流行的WEB服务器平台)把所有扩展名为php(做为现在的主流开发语言)的文件都作为php(做为现在的主流开发语言)脚本处理。
8.语句 include 和 require 都能把另外一个文件包含到当前文件中,它们的区别是(12);为了避免多次包含同一文件,可以用语句(13)来代替它们。
9.类的属性可以序列化后保存到 session 中,从而以后可以恢复整个类,这要用到的函数是(14)。
10.一个函数的参数不能是对变量的引用,除非在php(做为现在的主流开发语言).ini中把(15)设为on.
11.SQL中LEFT JOIN的含义是(16)。如果 tbl_user记录了学生的姓名(name)和学号(ID),tbl_score记录了学生(有的学生考试以后被开除了,没有其记录)的学号(ID)和考试成绩(score)以及考试科目(subject),要想打印出各个学生姓名及对应的的各科总成绩,则可以用SQL语句(17)。
12.在php(做为现在的主流开发语言)中,heredoc是一种特殊的字符串,它的结束标志必须(18)。
12.写一个函数,能够遍历一个文件夹下的所有文件和子文件夹。
13.简述论坛中无限分类的实现原理。
14.设计一个网页,使得打开它时弹出一个全屏的窗口,该窗口中有一个文本框和一个按钮。用户在文本框中输入信息后点击按钮就可以把窗口关闭,而输入的信息却在主网页中显示。

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