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

PHP Interview Questions

Questions Answers Views Company eMail

How can we check the value of a given variable is alphanumeric?

990

Tell me how to find the position of the first occurrence of a substring in a string?

969

What does $_cookie means?

966

What is faster in php?

1058

What is the use of mysql_real_escape_string() function?

933

Explain which cryptographic extension provide generation and verification of digital signatures?

1008

How do I escape data before storing it into the database?

978

Explain me how failures in execution are handled with include() and require() functions?

1033

How is it possible to return a value from a function?

1013

How to update memcached when you make changes to php?

971

What are the encryption techniques in php?

1011

Tell me what is use of in_array() function in php?

1099

Tell us what is the difference between session_unregister() and session_unset()?

1004

What is the use of the function htmlentities?

1103

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

985

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Un-Answered Questions { PHP }

Why do we use php?

955

How to make horizonatl menu and vertical menu responsive

2307

How to insert an new array element in array?

1038

What are the methods to submit form in php?

1006

How do I repair phpmyadmin?

948

How to remove the new line character from the end of a text line?

994

What is the default session out time?

1090

What is php crud api?

945

What is xss and csrf?

932

Distinguish between urlencode and urldecode?

990

Explain the difference between $message and $$message?

990

How cookies are transported from servers to browsers?

977

What are the methods useful for method overloading?

1022

With a heredoc syntax, do I get variable substitution inside the heredoc contents?

1089

How to update memcached when you make changes to php?

971

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