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

PHP Interview Questions

Questions Answers Views Company eMail

How many ways we can pass the variable through the navigation between the pages?

7 17649

What is the difference between ereg_replace() and eregi_replace()?

Quicknet,

2 13716

What are the different functions in sorting an array?

2 9443

How can we know the count/number of elements of an array?

3 11013

What is the PHP predefined variable that tells the What types of images that PHP supports?

1 10016

How can I know that a variable is a number or not using a JavaScript?

2 9014

List out some tools through which we can draw E-R diagrams for mysql?

6 12141

How can I retrieve values from one database server and store them in other database server using PHP?

DRC Systems, Photon,

2 13609

List out the predefined classes in PHP?

11 31628

How can I make a script that can be bilanguage (supports English, German)?

3 10938

What are the difference between abstract class and interface?

4 16359

How can we send mail using JavaScript?

dwise, iScope,

13 78752

What is the purpose of the following files having extensions 1) .frm 2) .myd 3) .myi? What do these files contain?

2 8044

How can we find the number of rows in a result set using PHP?

4 11329

What are the advantages and disadvantages of Cascading Style Sheets?

1 10353

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Un-Answered Questions { PHP }

List some string function name in php?

976

What are the differences between mysqli_connect and mysqli_pconnect?

1002

How does one prevent the following warning ‘warning: cannot modify header information – headers already sent' and why does it occur in the first place?

918

What type of headers have to be added in the mail function to attach a file?

940

What is x+ mode in fopen() used for?

1017

How to read a file in php?

958

What is the difference between apache vs niginx?

1056

What is difference between Method overriding and overloading in PHP?

1035

Are php short tags acceptable to use?

937

How to write a program to make chess?

1028

What is the major php security hole? How to avoid?

982

What does isset() function?

947

What are helpers in php?

933

How do you call a constructor for a parent class?

898

Is php fully object oriented?

916

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