Why do we use javascript in php?
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Where php language is used?
What is the maximum size of a table in mysql?
What is strcmp?
How can we extract string 'techinterviews.com' from a string 'http://www.techinterviews.com' using regular expression in PHP?
Specify pre-defined classes in php ?
class Database { public static $_instance; public static function getInstance() { if(!isset(self::$_instance)) self::$_instance = new Database(DB_SERVER, DB_USER, DB_PASS, DB_NAME); print_r(self::$_instance); return self::$_instance; } } can any one explain "self::$_instance = new Database(DB_SERVER, DB_USER, DB_PASS, DB_NAME);" this line
What are the three parts of an http request?
What is the diffrence between GET,POST and REQUEST Method.
What is a php form?
How to get the directory name out of a file path name?
What is abstract class php?
Why sessions are used in php?