PHP Related Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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PHP Related Interview Questions

Questions Answers Views Company eMail

How can we do user authentication without using session/cookies ? For ex:- From page1 accepts user name and password and need to check in all other pages whether the user has logged in or not

TCS,

6 11479

1.Where are the sessions storing ? 2.What are the contents of a session file ? 3.If the server is loaded with too many session files there is a possibility of server crash. How can we solve this issue? 4. How does php server identify that the particular session belongs to particular user ? For ex: If two users A and B logged from different machine, separate session files (say 1 and 2) will be created in the server. But how the php knows that 1 belongs to A and 2 belongs to B ?

PA Consulting, TCS,

4 9483

1.Where are the cookies storing ? 2.What is the drawback of using cookies ? 3. If two site is having same cookie name and different values what will be the output if we echo the cookie name from those sites ? How can we solve this issue (How can we specify the domain name)?

TCS,

8 16387

Whether session will work if we disable cookies in client browser ?

10 22313

1. Write a function to swap two values ? $a = 10; $b = 20; echo $a, $b; swap(); // If u want u can pass parameters echo $a, $b; // It should print 20 , 10

Aquasol, Infosys, TCS, Torque Infotech,

14 39401

This question is regarding version control. If two developers are committing the same php file at same time what will happen ? What error it will show (if any) ?

TCS,

2 6799

What is the difference between include and include_once ? Which is one is good in terms of performance ?

Dest,

2 5856

What is the difference between mysql_connect and mysql_pconnect ? Which one is good in terms of performance ?

4 12432

How session works (internal processing of session) ?

ASD Lab, IPSR Solutions,

3 11054

Does not want to see PHPSESSID in the url. How can be done this ?

3 6845

How to check whether cookies are disbled or not in the browser ? If that is the case how do you handle the sessions ?

1 4193

What is serialization / object serialization ?

2 5523

What is the purpose of destructor ?

2 5939

Whether site will complete the execution of the script if Fatal error occurs ?

1 3589

when ever the user logged in the database table the current registered date will be appeared

3 5280

Un-Answered Questions { PHP Related }

Explain contextual binding and how does it work?

674

How we can get ip address in codeigniter?

606

What is a base theme in drupal?

123

How can I load data from a text file into a table?

962

How can I get tier value in magento 2?

How can we encrypt the password using php?

1057

How do I view my wordpress database?

186

What are route groups?

663

Explain magento versions and license?

"mysql_fetch_row — Get a result row as an enumerated array",this sentence comes from the PHP offical manual.However ,i can not understand the words "enumerated array".I need some help.Thanks a lot to everyone that reply.

1910

Tell me is it possible to rename the wordpress folder?

175

What is singleton design pattern in laravel?

670

So if md5() generates the most secure hash, why would you ever use the less secure crc32() and sha1()?

993

Explain the difference between $var and $$var?

918

Explain how to install valet?

709

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