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?

984

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

963

What does $_cookie means?

960

What is faster in php?

1058

What is the use of mysql_real_escape_string() function?

930

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

1005

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

972

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

1024

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

1010

How to update memcached when you make changes to php?

967

What are the encryption techniques in php?

1004

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

1092

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

999

What is the use of the function htmlentities?

1097

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

981

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Un-Answered Questions { PHP }

What good is polymorphism?

935

Explain what is memcache?

990

Explain the purpose of output buffering in php.

986

How do you check is php not empty?

1004

What are the differences between GET and POST methods in form submitting?

1043

Can the value of a constant change during the script's execution?

972

Explain me what are the 3 scope levels available in php and how would you define them?

1204

What are default session time and path?

1117

How to remove html tags from data in php?

1022

What is laravel php?

1016

What is the use of Mbstring?

979

Write a program to display reverse of any number?

905

What is the correct and the most two common way to start and finish a php block of code?

960

What does odbc do in context with php?

1030

What is __ construct in php?

989

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