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

PHP Interview Questions

Questions Answers Views Company eMail

What is the difference between md5(), crc32() and sha1() crypto on php?

1055

What is the difference between php4 and php5?

1067

How can we submit from without a submit button?

1006

How to turn on the session support?

1095

What is the difference between include and require?

999

How do you define a constant?

968

How can we submit form without a submit button?

1025

What is the value for this auto incremented field user_pri_id?

931

How to read the entire file into a single string?

995

How come the code works, but doesn’t for two-dimensional array of mine?

1046

How to protect special characters in query string?

966

What is the special meaning of __sleep and __wakeup?

1002

How to remove a file?

1134

How the values are ordered in an array?

1102

What type of headers have to be added in the mail function to attach a file?

946

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Un-Answered Questions { PHP }

Is php front end or back end?

949

What are the encryption functions available in PHP?

1127

How to get the ip address of the client?

9175

What is strcmp () in php?

978

How can you retrieve data from the mysql database using php?

1040

Which function will you use to create an array?

966

What is the role of php.ini file?

995

What is the purpose of the '.myi' file extension? What do thes file contain?

964

Tell me how to execute an sql query? How to fetch its result?

979

How to execute a php script from the command line?

1090

When is a conditional statement ended with endif?

974

Which operator is used to concatenate two strings in PHP?

1040

Which function is used to read a single character from a file in PHP.

1044

Explain mysql_errno()?

1026

How to stop the execution of php script?

975

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