Common written test preparations during interviews

1. About functions

Some companies are very weird and will write a lot of functions to make you guess what they mean. so. To prepare for the interview, take a look at the relevant functions in the manual according to classification. Common categories are as follows:

1. File directory operations

2. Picture gd library operations

3. Array operations

4. String operations

5. Nosql, memcache, mysql, mysqli, curl, etc. Commonly used sections Operation of third-party libraries

2. http

1. Characteristics of http

2. Status 200, 3xx, 4xx, 5xxx meaning

3. Difference between http request get and post

4. HTTP request method

5 , session and cookie

3. Language structure, syntax, variables, constants, environment variables

1. include include_once require require_once

2. isset, empty, unset, echo, print,

3. $_GET$_POST$ _FILES$_SERVER

4. Reference, priority, expression, variable variable,

4. Common algorithms and design patterns

1. Sorting

2. Search

3. tree

4. mvc

5. singleton

6, factory mode

7, adapter

8, etc. . . .

five, mysql

1, paradigm

2, mysiam innodb

3, index

4, index optimization method

5, mysql common tools

six, js

1, cross-domain

2, Element operation

3, jquery

7, linux, shell

1, common commands

2, process, information, system status

3, log, text processing, regular, sed, awk

8. Security issues

1, php

2, system

9, architecture design

1, concurrency

2, distributed

3, database

3, web server

4, memcache

5, cdn

6. redis

7, session synchronization

8. Program design

1, uml

2, flow chart

3, oop

9. Project experience talk

You do it or not. The programmer who takes the written test cannot afford to be hurt! ! ! !

The above has introduced the common written test preparation in interviews, including aspects of the content. I hope it will be helpful to friends who are interested in PHP tutorials.