EXAMPLES OF PHP PROGRAMS UPDATE THE NAVIGATION

LetвЂ™s image we want to create several pages, instead of a single one, and link them together, maybe through a navigation menu, in order to build a full fledged web site.To start PHP development in the NetBeans IDE for PHP, you first need to create a project. You will find resources and examples for JavaScript beginners as well as support for JavaScript.We have already seen in chapter 3 how to write the code for a basic HTML page. The advantage of having a separate database connection script is clear: every time you need to access the database, you can just include that file instead of writing all the connection code again and again.JavaScript.com is a resource for the JavaScript community. This script will take care of the database connection. First, create a new PHP file and name it dbinc.php (or any name you prefer).

Of course, the reason we notice is that the graphical aspect of the pages, the style of the pages, changes. When we do click on an external link that brings us to a different website, we immediately notice. We have the feel, while navigating from a page to another, that we are still within the same website. The Choose Project panel opens.What is the difference between a bunch of interlinked pages and a proper website? For one, in a website all the pages somehow вЂњlook the sameвЂќ. Start the IDE, switch to the Projects window, and choose File > New Project.

Program to print each element of an array using foreach(). Program to print an array. Having gone through chapter 3, you already know that this is largely achievable by web developers through the implementation of an original style sheet by using CSS.Programs in PHP Program to display Text messages. Each site has generally a distinctive graphical character, present in each single page, that will let us recognise it and let us know when we are navigating inside it (and when we are leaving it).

Let us also assume our website is composed of just 3 pages, with the following minimal code:Let us now imagine we want to perform one of the following operations:вЂ“ switch to a different style sheet, not located at css/style.cssвЂ“ change the id of the main contents div, from вЂњmain-navigationвЂќ to something differentвЂ“ add another page to the web site, and therefore update the navigation menu to reflect the new situationвЂ“ change the contact e-mail address (in the вЂњfooterвЂќ section)вЂ“ add an image in the header section, to all pagesAn all these cases (and several others), we do need to perform the same modification to all our 3 pages. Copy and paste following PHP program in test.php file and keep it in your PHP Server's document root and browse it using any browser.For the sake of simplicity, let us assume for this example that all the web pages of our hypothetical web site have in common the style sheet, the header section (that may include a navigation menu) and the footer section. Write a PHP program to perform the sum of two numbers Create a PHP program that adds two numbers together.Try following example to understand all the comparison operators. This software will assist you in printing text in PHP output. Write a PHP program to print hello world Create a php script to print the hello world message.

IsnвЂ™t that great and useful? If we now wish to do any of the operations listed above, say move to a different style sheet, add an image to the header section, change the contact e-mail, we can now do it in a вЂњcentralвЂќ location (the header and footer pages), once, and this will reflect on all the pages of our website. Learn more about the file_get_contents() function on the php.net website or the w3schools website.The code of our three pages is changed to the following:With just a couple of lines of PHP in each page we have turned our static pages in a dynamic web site.

Php extension could contain plain html, just php, or a mixture of both, as in our example aboveWhat if we wanted, in the 3 pages website example above, make so that each page has itвЂ™s own title in the head section? This would be quite reasonable as it is unlikely that all the 3 pages would have exactly the same topic. Within a web page, or PHP script, the PHP code is surrounded by '' tags, that tell where PHP code starts and ends Html extension, while our main pages have a.

We will provide here the code for the home page вЂњindex.phpвЂќ only, for the sake of brevity, but you can easily see how this would work for the other pages. Instead of just one вЂњheader.htmlвЂќ file we could have the following two header files, called вЂњheader1.htmlвЂќ and вЂњheader2.htmlвЂќ and then introduce a third line of PHP in our main.

Examples Of Php Programs Update The Navigation