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?

967

What is faster in php?

1058

What is the use of mysql_real_escape_string() function?

936

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

1010

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?

1016

How to update memcached when you make changes to php?

973

What are the encryption techniques in php?

1011

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

1102

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 }

> symbol is used to redirect the output of a command. State Whether True or False?

1156

How many functions are there in php?

994

How to track user logged out or not? When user is idle?

960

Is php still relevant 2019?

960

What are the delimiters in php?

967

What is the difference between query and inquiry?

910

Is php easy language to learn?

1059

Which function is used in php to delete a file?

1027

What is the difference between indexed and associative array?

1024

What is die in php?

1046

Explain about getters and setters in php?

1067

How to create a session? How to set a value in session?

986

Where to put php files in apache server?

974

Is php front end or back end?

949

How to submit form without a submit button.

1063

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