PHP Interview Questions (Set 2)

PHP Interview Questions – Web Applications
1)What is PHP?

2)What can PHP do?

3)Installing PHP on your Computer? What do you need?

4)What is Apache?

5)What Storage Engines do you use in MySQL?

6)How can you block certain IP Addresses from accessing your site?

7)How to reverse a string in php with out using any built in functions?

8)How we can pass data from PHP to ASP,ASP.net?

9)How to convert ASP Arrays to PHP and vice versa ?

10)PHP Functions for WDDX

11)Which function in PHP gives us absolute path of a file on the server?

12)which is faster mysql_unbuffered_query or mysql_query ?

13)why should we use Object oriented concepts in php ?

14)What is the difference between $message and $$message?

15)How to capture content from the output buffer ? or Give me an example for Output caching in php?

16)How to capture content from the output buffer ? or Give me an example for Output caching in php?

17)what are the most common caching policy approaches ?

18)what is the php solution to dynamic caching ?

19)How do I prevent Web browsers caching a page in php?

20)How do I prevent Web browsers caching a page in php?

21)what is Memcache?

22)Are php strings immutable ?

23)What Are PHP Arrays?

24)Explain Parse Errors ? what are the most common causes of parse errors ?

25)what are the ‘function problems’ you have met in php?

26)will persistent connection work in the CGI version of php ? mysql_connect() vs mysql_pconnect()

27)What is the process that takes place when you upload a file in php?

28)List out some session functions in php?

29)What is meant by Persistent Database Connections?

30)How many ways your web server can utilize PHP to generate web pages?

31)how to opening excel files in windows and linux using php ?

32)what are the ways to check image mime types in php?

33)Given a line of text $string, how would you write a regular expression to strip all the HTML tags from it?

34)what you should know about cookies before start using in php?

35)what are the database space-saving functions available in php ?

36)what are the security tips you should know before developing php/mysql web pages ?

37)How to get the contents of a web page using php?

38)what are the advantages of storing sessions in database?

39)How many HTTP headers will send to a web page(client side) from server when you use sessions (session_start()) in php ?.

40)How to reverse “Madras,Php,Cookies,Arrays,Mysql, LAMP,w3answers,malayalam” as sardaM,phP,seikooC,syarrA,lqsyM, PMAL,srewsna3w,malayalam using php.

41)How to reverse an array values using recursive method in php ?

42)What is a class in Java programming?

43)What is the use of ob_start in php?

44)Difference between echo and print?

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