PHP Core
Using PHP for Web applicationsIn the beginning, web pages were static – just introduced documents.Users went to Web sites to read the information. Togethers were linked documents that users can easily find the information they wanted, but the change pagesdidn't Web. Each user arrives at a Web page thing.Soon saw the same Web page developers wanted to do something else. They wanted to interact withvisitors, gather information users, and provide web pages for individuals werecustomized. Several languages have been developed that can beused to make dynamic websites. PHP is one of the most theselanguages successful, rapidly evolving to become more and more useful and rapidlygrowing popularity.PHP in a scripting language on the server side, which means scripts are executedon the server (the computer where the website). This is different
Because PHP scripts running on the server, PHP can dynamically create HTML code that generates the web page, which allows individual users to view customized Web pages. Web site visitors to see the out of the scriptures, but not their own scripts. PHP has many features designed specifically for use on Web sites, including the following: Interact with HTML forms: PHP can display an HTML form and process the information that the user types in. Communicating with databases: PHP can interact with bases data to store user information or retrieve information that is displayed to the user. Build secure Web pages: PHP allows developers to create secure pages Web users must enter a username and valid password before viewing the Web page content. PHP features do these and many other tasks Web site easy. PHP is server side only, which means they can not interact directly with the user's computer. That means that PHP can not initiate actions based on the state of the user's computer, such as mouse actions or screen size. Therefore, PHP alone can not produce some popular effects such as navigation menus dropping or changing color. Moreover, JavaScript, a scripting language on the client side.
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PHP Tutorial – 21 – include function