What’s PHP The PHP Hypertext Preprocessor is a programming language that allows web developers to create dynamic content that interacts with databases. PHP is basically used for developing web based software applications Who is the father of PHP and explain the changes in PHP versions? Rasmus Lerdorf in 1994 How many ways you can retrieve the data in the result set of mysql using PHP? We can do it by 4 Ways 1. mysql_fetch_row , The mysql_fetch_row() function fetches one row from a result-set and returns it as an enumerated array. 2. mysql_fetch_array , The mysql_fetch_array() function fetches a result row as an associative array, a numeric array, or both. 3. mysql_fetch_object The mysql_fetch_object() function returns the current row of a result set, as an object. 4. mysql_fetch_assoc The mysql_fetch_assoc() function fetches a result row