PHP Interview Questions and Answers

Frequently asked Interview Question and Answer in PHP suites for both Freshers and Experienced Candidates.

Interview Questions and Answers Set 1

1. What is PHP?PHP is a web language based on scripts that allows developers to dynamically create generated...

Interview Questions and Answers Set 3

21. What is the main difference between require() and require_once()?require and require_once perform...

Interview Questions and Answers Set 5

41. How do I escape data before storing it into the database?addslashes function enables us to escape data before...

Interview Questions and Answers Set 7

61. Are Parent constructors called implicitly inside a class constructor?No, a parent constructor have to be called...

Interview Questions and Answers Set 9

81. What does the array operator ‘===’ means?$a === $b TRUE if $a and $b have the same key/value pairs in the same...

Interview Questions and Answers Set 2

11. Is multiple inheritance supported in PHP?PHP includes only single inheritance, it means that a class can...

Interview Questions and Answers Set 4

31. How is it possible to know the number of rows returned in result set?The function mysql_num_rows() returns...

Interview Questions and Answers Set 6

51. How a constant is defined in a PHP script?The define() directive lets us defining a constant as follows...

Interview Questions and Answers Set 8

71. What does $_SERVER means?$_SERVER is an array including information created by the web server paths...

Interview Questions and Answers Set 10

91. Is it possible to submit a form with a dedicated button?It is possible to use the document.form...