The phrase identifies a particular numerical index usually used inside an internet site’s URL construction, significantly these constructed utilizing the PHP scripting language, to dynamically entry and show explicit information articles. For example, a URL like `instance.com/information.php?id=123` suggests retrieving and presenting the information article related to the identification quantity 123 from a database or file system.
This numerical identifier is essential for environment friendly content material administration and group. It permits builders to shortly retrieve and current info from a big pool of articles with out counting on prolonged and complicated queries. Using this methodology supplies a historic file of how information articles had been usually accessed and structured in web sites constructed with PHP.