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

PHP Interview Questions

Questions Answers Views Company eMail

Which cryptographic extension provide generation and verification of digital signatures?

938

Tell us how to redirect a page in php?

979

How can I display text with a php script?

1038

Tell me how the result set of mysql be handled in php?

985

Whether it is possible to share a single instance of a memcache between multiple php projects?

998

How to delete a file from the system?

1059

Explain what is the difference between mysql_fetch_array() and mysql_fetch_assoc()?

902

Explain me what is the use of header() function in php?

1024

Tell me what is the use of explode() function?

973

How to declare an array in php?

1087

What does the unset() function means?

1115

How can we get the error when there is a problem to upload a file?

982

Tell me what should we do to be able to export data into an excel file?

946

What is the meaning of a persistent cookie?

1116

Is it possible to submit a form with a dedicated button?

915

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Un-Answered Questions { PHP }

What is the default session out time?

1079

Tell me whether it is possible to share a single instance of a memcache between multiple php projects?

981

How to create a session? How to remove data from a session?

990

In php, objects are they passed by value or by reference?

962

What is $_ get in php?

1008

Explain converting an object?

1015

How can we calculate the similarity between two strings?

996

How can we encrypt the password using php?

1105

What are the disadvantages of php?

971

Explain about the $_GET variable of PHP?

1010

What is action hooks and filter hooks?

873

Suppose the variable $var1 is set to 10 and the $var2 is set to the character var1, what's the value of $$var2?

946

Is php still used?

950

What are the different components used in php for formatting?

1041

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

1088

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