PHP allows you to define C++ style default argument values. In such case, if you don't pass any value

PHP Parameterized functions are the functions with parameters. You can pass any number of parameters inside a function. These

Magic constants are the predefined constants in PHP which get changed on the basis of their use. They start

Exceptions are used to change the normal flow of a script if a specified error occurs. What is an

The default error handling in PHP is very simple. An error message with filename, line number and a message

This chapter shows how to make input fields required and create error messages if needed. PHP - Required Fields

n this chapter we will teach you how to open, read, and close a file on the server. PHP

File handling is an important part of any web application. You often need to open and process a file

With PHP, you can connect to and manipulate databases. MySQL is the most popular database system used with PHP.

PHP 5 and later can work with a MySQL database using: MySQLi extension (the "i" stands for improved) PDO (PHP