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PHP面试题目与基础知识点

Jun 21, 2016 am 08:52 AM
firefox javascript mysql php require

  PHP软件工程师的面试题

  1. 基本知识点

  HTTP协议中几个状态码的含义:503 500 401 200 301 302。。。

  Include require include_once require_once 的区别.

  PHP/Mysql中几个版本的进化史,比如mysql4.0到4.1,PHP 4.x到5.1的重大改进等等。

  HEREDOC介绍

  写出一些php魔幻方法;

  一些编译php时的configure 参数

  向php传入参数的两种方法。

  (mysql)请写出数据类型(int char varchar datetime text)的意思; 请问varchar和char有什么区别;

  error_reporting 等调试函数使用

  您是否用过版本控制软件? ?*****心玫陌姹究刂迫砑拿质??

  posix和perl标准的正则表达式区别;

  Safe_mode 打开后哪些地方受限.

  写代码来解决多进程/线程同时读写一个文件的问题。

  写一段上传文件的代码。

  Mysql 的存储引擎,myisam和innodb的区别。

  2. web 架构,安全,项目经验

  介绍xdebug,apc,eAccelerator,Xcache,Zend opt的使用经验。

  使用mod_rewrite,在服务器上没有/archivers/567.html这个物理文件时,重定向到index.php?id=567 ,请先打开mod_rewrite.

  MySQL数据库作发布系统的存储,一天五万条以上的增量,预计运维三年,怎么优化?

  写出一种排序算法(原理),并说出优化它的方法。

  请简单阐述您最得意的开发之作

  对于大流量的网站,您采用什么样的方法来解决各页面访问量统计问题

  您是否用过模板引擎? ?*****心玫哪0逡娴拿质??

  请介绍Session的原理,大型网站中Session方面应注意什么?

  测试php性能和mysql数据库性能的工具,和找出瓶颈的方法。

  正则提出一个网页中的所有链接.

  介绍一下常见的SSO(单点登陆)方案(比如dedecms整合discuz的passport)的原理。

  您写过的PHP框架的特点,主要解决什么问题,与其他框架的不同点。

  大型的论坛/新闻文章系统/SNS网站在性能优化上有什么区别?

  相册类应用:要求在浏览器中能同时选中并上传多个文件,图片要求能剪裁,压缩包在服务器端解压。能上传单个达50M的文件。上传过程中有进度条显示。每个图片能生成四种大小缩略图,视频文件要转成flv供flash播放。叙述要涉及的各类开源软件和简单用途。

  一 群猴子排成一圈,按1,2,…,n依次编号。然后从第1只开始数,数到第m只,把它踢出圈,从它后面再开始数,再数到第m只,在把它踢出去…, 如此不停的进行下去,直到最后只剩下一只猴子为止,那只猴子就叫做大王。要求编程模拟此过程,输入m、n, 输出最后那个大王的编号。用程序模拟该过程。

  3. unix/linux 基本使用

  linux下查看当前系统负载信息的一些方法。

  vim的基本快捷键。

  ssh 安全增强方法;密码方式和rsa key 方式的配置。

  rpm/apt/yum/ports 装包,查询,删除的基本命令。

  Makefile的基本格式,gcc 编译,连接的命令,-O0 和-O3区别。

  gdb,strace,valgrind的基本使用.

  4. 前端,HTML,JS

  css盒模型。

  javascript中的prototype。

  javascript中this对象的作用域。

  IE和firefox事件冒泡的不同。

  什么?*****忠炷J?,标准模式,近标准模式。

  DTD的定义

  IE/firefox常用hack.

  firefox,IE下的前端js/css调试工具。



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