Hosting services limited to the Web
Many large companies who are not internet service providers also need a computer permanently connected to the web so they can send email, files, etc. to other sites. They may also use the computer as a website host so they can provide details of their goods and services to anyone interested. Additionally these people may decide to place online orders.
* Free web hosting service: offered by different companies with limited services, sometimes supported by advertisements, and often limited when compared to paid hosting.
Introduction
With the release of php5 in 2004, php programmers finally had the power to code with the 'big boys'. Like Java and C#, php finally had a complete OOP infrastructure.
In this tutorial, you will be guided (step-by-step) through the process of building and working with objects using php's built-in OOP capabilities. At the same time you will learn:
The difference between building a php application the old fashioned (procedural) way, versus the OOP way.
What the basic OOP principles are, and how to use them in PHP.
When you would want to use OOP in your PHP scripts.
What is MySQL?
MySQL is a database.
The data in MySQL is stored in database objects called tables.
A table is a collections of related data entries and it consists of columns and rows.
Databases are useful when storing information categorically. A company may have a database with the following tables: "Employees", "Products", "Customers" and "Orders".
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Database Tables
The Mail Command
Mail is extremely easy to send from PHP, unlike using scripting languages which require special setup (like CGI). There is actually just one command, mail() for sending mail. It is used as follows:
mail($to,$subject,$body,$headers);
In this example I have used variables as they have descriptive names but you could also just place text in the mail command. Firstly, $to. This variable (or section of the command) contains the e-mail address to which the mail will be sent. $subject is the section for the subject of the e-mail and $body is the actual text of the e-mail.
Printing Text
To output text in your PHP script is actually very simple. As with most other things in PHP, you can do it in a variety of different ways. The main one you will be using, though, is print. Print will allow you to output text, variables or a combination of the two so that they display on the screen.
The print statement is used in the following way:
print("Hello world!");
I will explain the above line:
Introduction
Up until recently, scripting on the internet was something which very few people even attempted, let alone mastered. Recently though, more and more people have been building their own websites and scripting languages have become more important. Because of this, scripting languages are becomming easier to learn and PHP is one of the easiest and most powerful yet.
What Is PHP?
