PHP costs nothing, it is free to download and use.

In the above example we have written a HTML script with some embedded code to display some text. The PHP code is enclosed in special start () tags that allows to go in and out of PHP mode. PHP is used for creating interactive and dynamic web pages quickly, but you can do much more with PHP. The basic syntax of PHP is similar to C, Java, and Perl, and is easy to learn. PHP commands are parsed by the server much like Active Server Pages or Cold Fusion tags. When the Web server sees the PHP statements in the Web page, the server executes the statements and sends the resulting output along with the rest of the HTML.

HTML embedded scripting language means that PHP statements and commands are actually embedded in your HTML documents.

PHP is available for the two most popular Web server configurations IIS and Apache.

Cross-platform means that PHP scripts can run on many different operating systems and Web servers.

Server-side means that PHP scripts execute on the Web server, not within the browser on your local machine.

It is a cross-platform, HTML-embedded server-side scripting language and is especially suited for web development. PHP, an acronym for Hypertext Preprocessor, is a widely-used open source general-purpose scripting language.

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