$ _POST or $ _GET are two special PHP functions that are used to get variables from a user-filled form. While using these functions, a user may encounter an error, stating that there is an undefined ...

PHP has hundreds of built-in functions that can be used to accomplish specific tasks. Avoid rewriting code whenever possible. HTML tags can be written directly from within functions.

Using a combination of PHP and MySQL functions, you can query an online database for numerical values, add them together and display the results on your Web page. You have to use the functions in ...

Database accessibility is a key part of Web-based applications and dynamically generated Web pages, so PHP's creators have made the language particularly effective in this area. In fact, even ...