PHP

The A in WAMP stands for Apache. Apache is server software that is used to serve webpages. Whenever someone types in your WordPress websites URL, Apache is the software that serves your WordPress site. The M in WAMP stands for MySQL. MySQL is a database management system.

PHP is a server-side programming language. HTML is a client-side scripting language. PHP is used in backend development, which interacts with databases to retrieve, store, and modify the information. HTML is used in frontend development, which organizes the content of the website.

PHP is a server-side programming language. HTML is a client-side scripting language. PHP is used in backend development, which interacts with databases to retrieve, store, and modify the information. HTML is used in frontend development, which organizes the content of the website.

PHP is a server-side programming language. HTML is a client-side scripting language. PHP is used in backend development, which interacts with databases to retrieve, store, and modify the information. HTML is used in frontend development, which organizes the content of the website.

PHP is a server-side programming language. HTML is a client-side scripting language. PHP is used in backend development, which interacts with databases to retrieve, store, and modify the information. HTML is used in frontend development, which organizes the content of the website.

PHP is a server-side programming language. HTML is a client-side scripting language. PHP is used in backend development, which interacts with databases to retrieve, store, and modify the information. HTML is used in frontend development, which organizes the content of the website.

PHP is a server-side programming language. HTML is a client-side scripting language. PHP is used in backend development, which interacts with databases to retrieve, store, and modify the information. HTML is used in frontend development, which organizes the content of the website.

PHP is a server-side programming language. HTML is a client-side scripting language. PHP is used in backend development, which interacts with databases to retrieve, store, and modify the information. HTML is used in frontend development, which organizes the content of the website.

PHP is a server-side programming language. HTML is a client-side scripting language. PHP is used in backend development, which interacts with databases to retrieve, store, and modify the information. HTML is used in frontend development, which organizes the content of the website.

PHP is a server-side programming language. HTML is a client-side scripting language. PHP is used in backend development, which interacts with databases to retrieve, store, and modify the information. HTML is used in frontend development, which organizes the content of the website.

User authentication is very common in modern web application. It is a security mechanism that is used to restrict unauthorized access to member-only areas and tools on a site. In this tutorial we'll create a simple registration and login system using the PHP and MySQL. This tutorial is comprised of two parts: in the first part we'll create a user registration form, and in the second part we'll create a login form, as well as a welcome page and a logout script.

PHP is a server-side programming language. HTML is a client-side scripting language. PHP is used in backend development, which interacts with databases to retrieve, store, and modify the information. HTML is used in frontend development, which organizes the content of the website.

PHP must be configured correctly in the php.ini file with the details of how your system sends email. Open php.ini file available in /etc/ directory and find the section headed [mail function].

With PHP, it is easy to upload files to the server. However, with ease comes danger, so always be careful when allowing file uploads!

The fopen() function is also used to create a file. Maybe a little confusing, but in PHP, a file is created using the same function used to open files.

JSON stands for JavaScript Object Notation, and is a syntax for storing and exchanging data.

An exception is an object that describes an error or unexpected behaviour of a PHP script.

A session is a way to store information (in variables) to be used across multiple pages. Unlike a cookie, the information is not stored on the users computer.

The following example uses the filter_var() function to check if a variable is both of type INT, and between 1 and 200:

A callback function (often referred to as just "callback") is a function which is passed as an argument into another function.

From PHP5, you can also write PHP code in an object-oriented style. Object-Oriented programming is faster and easier to execute.