Sometimes beginners get confused how to login and logout. So I thought it would be helpful if I share some basic steps how to create login and logout with session. Followings are the topics which we will learn in this part of section:

In our previous section, of inheritance we have seen how derived class (or child class) inherits the function or methods of base class (or parent class). There can be a situation where you want to prevent a class from being inherited.

Type Hinting is a technique that hints the function to accept only given data types. In PHP we can use type hinting for array, object and callable data type.

Objects are inconstant, that means object has capability to change the state of information. In object oriented PHP programming, there can be a situation where you require copies of object.

Method chaining is a technique in which methods are put together one after the other. For example you have a class employee and have three methods like this:

Abstract classes are those classes which cannot be instantiated and require subclasses to provide implementation for the abstract methods or in other words you cannot create object of abstract classes

Static method in PHP is very useful features. Static function and variable breaks a lot of power available to 0bject oriented programming.

The CREATE DATABASE statement is used to create database. (Note: Before creating database you must first connect with database server).Here is an example to create database using PHP:

Exceptions are important to control over error handling. Exception handling is used to change the execution of a code if a specified error occurs.

In PHP you can include the content of one file into another file. This will help in creating function, footers header or elements that can be used in several pages.

Error handling is the process of catching error and then taking appropriate action. When you create web application error handling is an important part.

A session is used to store information in variables. These variables are used to store user information to be used across multiple pages.

Here we will look on some of the function of strings:

$_FILES is a superglobal variable in PHP. It consists of 5 variable:

fopen() function is used to open a file, but in PHP same function is used to create a file. If you use fopen() on a file that does not exists, it will create that file. It has two parameter

A Cookie is a text file that the server embeds on the user’s computer. A cookie is used to identify a user.

A function is a piece of code which takes input in the form of parameter and process these parameter and returns a value

In PHP there are some sorting function .These function are used to sort the array.

An array is a data structure that store multiple values in single variable. In PHP to create an array, array() function is used.

Before we can access the data in MYSQL database,we have to first connect the server.PHP provides mysqli_connect() function to connect with database. This function has five parameter:

PHP has undoubtedly become a leading programming language used for developing out-of-the-box websites and web applications.

The Microsoft SQL Server 2005 Driver for PHP allows PHP developers to access data in SQL Server databases.

PHP application can be hosted on IIS web server by using FastCGI Module that can be found in IIS. Here I’m using IIS 7 as web server.

Before creating Web Service in PHP first of all I will discuss about what’s Web Service? Web Service is an application that is designed to interact directly with other applications over the internet.

The basic PHP datagrid requires only as little as two lines of code. Fore mostly, always create PHPGrid object in the first line; then call its methods to define properties, and lastly always call display() to render to screen.