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 11691

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 9619

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 16608

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

10 22622

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 39761

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 6888

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

Dest,

2 5946

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

4 12569

How session works (internal processing of session) ?

ASD Lab, IPSR Solutions,

3 11177

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

3 6963

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

1 4270

What is serialization / object serialization ?

2 5640

What is the purpose of destructor ?

2 6023

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

1 3660

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

3 5407

Un-Answered Questions { PHP Related }

How do you create a subfolder?

163

Explain how to change magento core api setting?

How to disable layout from controller?

213

How to install valet?

720

How to clear cache in laravel?

839

Explain how is it possible to cast types in php?

976

Is wordfence free?

222

Can php variables have numbers?

1002

Explain how to get current url in laravel?

776

What is the database of a website?

190

What are the basic operations performed by the decorator?

174

Describe the features and uses of the views module.

107

What is the use of joomla?

what is meant by Laravel - Contracts ?

2046

Explain the difference b/w static and dynamic websites?

1019

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