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

PHP Interview Questions

Questions Answers Views Company eMail

What is meant by variable variables in php?

1022

Explain type casting and type juggling.

1034

How can you send http header to the client in php?

1018

What is meant by ‘passing the variable by value and reference' in php?

1007

Which functions are used to count the total number of array elements in php?

1028

What is the use of $_request variable?

1017

What is a persistence cookie?

947

What are the uses of implode() function?

1092

Which function is used in php to search a particular value in an array?

909

Does php support multiple inheritances?

1011

What are the differences between mysqli_connect and mysqli_pconnect?

1004

What are the uses of explode() and implode() functions?

1116

Which functions are used to remove whitespaces from the string?

1145

What is the difference between for and foreach loop in php?

1096

How can a cross-site scripting attack be prevented by php?

992

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Un-Answered Questions { PHP }

How do you pass a variable by value in php?

1003

How check field is empty or not in php?

1048

Which function would you use to merge two arrays in php?

979

I am writing an application in php that outputs a printable version of driving directions. It contains some long sentences, and I am a neat freak, and would like to make sure that no line exceeds 50 characters. How do I accomplish that with php?

932

Tell me what is the difference between ereg_replace() and eregi_replace()?

1151

What is button in html?

971

How to add 301 redirects in PHP?

905

What is the difference between fopen() and fclose()?

1110

What is new keyword in php?

946

what is mean by portal

2045

What are php functions?

1052

How can php and javascript interact?

1297

Under what circumstance is it impossible to assign a default value to a parameter while declaring a function?

1145

What is the difference between == and === operator in PHP?

992

Why do we use namespace in php?

934

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