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World Wide Web Hypertext Documents Web Pages Website Web Server Uniform Resource Locator Web Development using PHP and MySQL Web Basics Rahamathulla K Assistant Professor GEC Thrissur January 18, 2017 Web Development using PHP and MySQLWeb Basics Web Development using PHP and MySQLWeb January 18, Basics 2017 1 / 12 World Wide Web Hypertext Documents Web Pages Website Web Server Uniform Resource Locator Outline 1 World Wide Web 2 Hypertext Documents 3 Web Pages 4 Website 5 Web Server 6 Uniform Resource Locator Web Development using PHP and MySQLWeb Basics Web Development using PHP and MySQLWeb January 18, Basics 2017 2 / 12 World Wide Web Hypertext Documents Web Pages Website Web Server Uniform Resource Locator Session Objectives • Learn the basic principles of Web documents • Use HTML tags for text, headings, paragraphs, and tables • Create and Use HTML Forms and HTML documents • Introduce PHP and MySQL • Learn and use PHP file handling functions • Create Registration and Login Web pages using PHP and MySQL Connectivity Web Development using PHP and MySQLWeb Basics Web Development using PHP and MySQLWeb January 18, Basics 2017 3 / 12 World Wide Web Hypertext Documents Web Pages Website Web Server Uniform Resource Locator Experiments List • Simple Calculator • Body Mass Index(BMI) Calculator • Text file search • CSV file parsing • Registration webpage using PHP and MySQL • Login Page using PHP and MySQL • Example on session variables Web Development using PHP and MySQLWeb Basics Web Development using PHP and MySQLWeb January 18, Basics 2017 4 / 12 World Wide Web Hypertext Documents Web Pages Website Web Server Uniform Resource Locator World Wide Web • The Internet consists of millions of interconnected computers that enable users to communicate and share information • The World Wide Web was developed to make the Internet easier to use and give quick access to users • In 1989, Timothy Berners-Lee and other researchers at the CERN nuclear research facility, laid the foundation of the World Wide Web, or the Web. • created an information system that would make it easy for researchers to locate and share data • required minimal training and support • developed a system of hypertext documents, electronic files that contain elements that you can easily select Web Development using PHP and MySQLWeb Basics Web Development using PHP and MySQLWeb January 18, Basics 2017 5 / 12 World Wide Web Hypertext Documents Web Pages Website Web Server Uniform Resource Locator Hypertext Documents • Hypertext offers a better way of locating information • When you read a book, you follow a linear progression, reading one page after another • With hypertext, you progress through pages in whatever way is best suited to you and your objectives • Hypertext lets you skip from one topic to another • The key to hypertext is the use of links, which you activate to move from one topic to another • Hypertext has become the dominate method of sharing and retrieving information on the Internet, known as the Web. Documents on th web are known as Web Pages Web Development using PHP and MySQLWeb Basics Web Development using PHP and MySQLWeb January 18, Basics 2017 6 / 12 World Wide Web Hypertext Documents Web Pages Website Web Server Uniform Resource Locator Web Pages • A Web page is stored on a Web Server, which makes the page available to users of the Web • To view a Web page, the user runs a Web browser, a software program that retrieves the page and displays it. (eg. Internet Explorer, Mozilla Firefox, Safari) • A web page is accessed by entering a URL address • A web page may contain text, graphics, and hyperlinks to other web pages and files • Web pages can be static or dynamic Web Development using PHP and MySQLWeb Basics Web Development using PHP and MySQLWeb January 18, Basics 2017 7 / 12 World Wide Web Hypertext Documents Web Pages Website Web Server Uniform Resource Locator Website • A website is a set of related web pages typically served from a single web domain • Accessible via a network such as the Internet or a private local area network through an Internet address known as a uniform resource locator (URL) • Static and Dynamic websites • Homepage of a website Web Development using PHP and MySQLWeb Basics Web Development using PHP and MySQLWeb January 18, Basics 2017 8 / 12 World Wide Web Hypertext Documents Web Pages Website Web Server Uniform Resource Locator Web Server • Web servers store, process and deliver web pages to clients • The communication between client and server takes place using Hyper Text Transfer Protocol(HTTP) • HTTP also includes ways of receiving content from clients(Uploading) • Web servers also support server side scripting using ASP, PHP etc.. This function is used to generate web pages dynamically • eg. Apache, IIS , IBM HTTP server, oracle HTTP server etc. Web Development using PHP and MySQLWeb Basics Web Development using PHP and MySQLWeb January 18, Basics 2017 9 / 12 World Wide Web Hypertext Documents Web Pages Website Web Server Uniform Resource Locator Uniform Resource Locator • URL is the global address of documents and other resources on the World Wide Web. • most URLs refer to a file on some machine on the network. However, URLs can point to other resources on the network such as database queries and command output • for eg. http://cse.gectcr.ac.in/ • The protocol identifier • The resource name Web Development using PHP and MySQLWeb Basics Web Development using PHP and MySQLWeb January 18,Basics 2017 10 / 12 World Wide Web Hypertext Documents Web Pages Website Web Server Uniform Resource Locator Quiz • This is a freely available Web server that is distributed under an open source license 1 Apache 2 Linux 3 UNIX 4 GNU 5 Open Service Gateway initiative Web Development using PHP and MySQLWeb Basics Web Development using PHP and MySQLWeb January 18,Basics 2017 11 / 12 World Wide Web Hypertext Documents Web Pages Website Web Server Uniform Resource Locator Quiz • In a URL, the resource name is the complete address to the resource. The resource name contains one or more of the following components Web Development using PHP and MySQLWeb Basics Web Development using PHP and MySQLWeb January 18,Basics 2017 12 / 12 World Wide Web Hypertext Documents Web Pages Website Web Server Uniform Resource Locator Quiz • In a URL, the resource name is the complete address to the resource. The resource name contains one or more of the following components 1 Host Name - The name of the machine on which the resource lives 2 Filename - The pathname to the file on the machine 3 Port Number - The port number to which to connect (typically optional) 4 Reference - A reference to a named anchor within a resource that usually identifies a specific location within a file (typically optional) Web Development using PHP and MySQLWeb Basics Web Development using PHP and MySQLWeb January 18,Basics 2017 12 / 12
