1200字范文,内容丰富有趣,写作的好帮手!
1200字范文 > 美图php面试题目 据说是雅虎的一份PHP面试题附答案

美图php面试题目 据说是雅虎的一份PHP面试题附答案

时间:2023-11-16 13:32:06

相关推荐

美图php面试题目 据说是雅虎的一份PHP面试题附答案

据说是雅虎的一份PHP面试题附答案

更新时间:01月07日 23:23:32 作者:

雅虎的一份PHP面试题附答案

从网上搜集到的,据说是雅虎的面试题。

1. Which of the following will not add john to the users array?

1. $users[] = 'john';

2. array_add($users,'john'); //wrong

3. array_push($users,'john');

4. $users ||= 'john'; //wrong

2. What's the difference between sort(), asort() and ksort? Under what circumstances would you use each of these?

my an:sort()-排序 asort()-保持key值排序 ksort()-以key顺序排序 rsort()-逆排序 arsort()-保持key值逆排序 krsort()-以key逆顺序排序

3. What would the following code print to the browser? Why?

$num = 10;

function multiply()

{

$num = $num * 10;

}

multiply();

echo $num;

my an:10 because var scope4. What is the difference between a reference and a regular variable? How do you pass by reference & why would you want to?

5. What functions can you use to add library code to the currently running script?

6. What is the difference between foo() & @foo()?

7. How do you debug a PHP application?

8. What does === do? What's an example of something that will give true for ‘==', but not ‘==='?

9. How would you declare a class named “myclass” with no methods or properties?

10. How would you create an object, which is an instance of “myclass”?

11. How do you access and set properties of a class from within the class?

12. What is the difference between include & include_once? include & require?

13. What function would you use to redirect the browser to a new page?

1. redir() 2. header() 3. location() 4. redirect()

my an :2

14. What function can you use to open a file for reading and writing?

1. fget(); 2. file_open(); 3. fopen(); 4. open_file();my an :315. What's the difference between mysql_fetch_row() and mysql_fetch_array()?

16. What does the following code do? Explain what's going on there.

$date='08/26/'; print ereg_replace(“([0-9]+)/([0-9]+)/([0-9]+)”,2/1/3,$date);17. Given a line of text $string, how would you write a regular expression to strip all the HTML tags from it?

18. What's the difference between the way PHP and Perl distinguish between arrays and hashes?

19. How can you get round the stateless nature of HTTP using PHP?

20. What does the GD library do?

21. Name a few ways to output (print) a block of HTML code in PHP?

22. Is PHP better than Perl? – Discuss.

相关文章

PHP 文件缓存的性能测试,需要的朋友可以参考下。-04-04

这篇文章主要介绍了PHP单文件上传原理及上传函数的封装操作,结合实例形式详细分析了php文件上传的原理、步骤及相关函数封装操作技巧,需要的朋友可以参考下-09-09

这篇文章主要介绍了PHP队列的实现,文中通过示例代码介绍的非常详细,对大家的学习或者工作具有一定的参考学习价值,需要的朋友们下面随着小编来一起学习学习吧-03-03

这篇文章主要介绍了PHP中new static() 和 new self() 的区别介绍,需要的朋友可以参考下-01-01

用php实现像JSP,ASP里Application那样的全局变量...-01-01

这篇文章主要介绍了php加密之discuz内容经典加密方式,结合具体实例形式详细分析了discuz加密的使用技巧,具有一定参考借鉴价值,需要的朋友可以参考下-02-02

在使用PDO进行那个PHP和数据库开发过程中,如果程序中碰到错误咋办?我们这里描述PDO类的错误信息和异常处理。-09-09

这篇文章详包含了php操作redis所有命令方法及代码实例,官方PHP Redis扩展文件下载,Redis Windows版下载,需要的朋友可以参考下-11-11

本系列文章,我们将简单的为大家总结一下PHP之中语法知识,第一篇,我们先来介绍基础和变量,希望大家能够喜欢。-11-11

使用PHP开发应用程序,尤其是网站程序,常常需要生成随机密码,而本文收集整理了几种生成随机字符串的方法,希望对您有所帮助。-09-09

最新评论

本内容不代表本网观点和政治立场,如有侵犯你的权益请联系我们处理。
网友评论
网友评论仅供其表达个人看法,并不表明网站立场。