PHP
Overview
PHP (Hypertext Processor) is a general-purpose
scripting language and interpreter that is
freely
available and
widely used for web development.
When used for server-side scripting, PHP is added to a webpage for the purpose of generating dynamic content when the page is accessed through a client browser.
When a user requests a webpage from the server, the parser interprets the PHP portion of the page, performs the operations called for in the PHP script, and generates the Hypertext Markup Language (HTML) that results from those operations.
The HTML is then sent to the client browser, along with any other HTML on the page, providing a seamless rendering of the content. Webpages that contain PHP script are considered to be dynamic HTML pages because content varies based on the results of interpreting the script.
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A webpage might be made up entirely of a PHP script, or it might contain one or more PHP scripts that are embedded within standard HTML elements.
